Home / 40,586.13-56,005.11-22,678.65

Finding the Fourth Proportional to 40,586.13, 56,005.11 and 22,678.65

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Solution

The fourth proportional to 40,586.13, 56,005.11 and 22,678.65 is: 31,294.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,586.13 : 56,005.11 = 22,678.65 : x
  2. Step 2: Convert to fraction form
    40,586.13/56,005.11 = 22,678.65/x
  3. Step 3: Cross multiply
    40,586.13x = 56,005.11 × 22,678.65
  4. Step 4: Simplify right side
    40,586.13x = 1,270,120,287.90
  5. Step 5: Solve for x
    x = 1,270,120,287.90/40,586.13
  6. Step 6: Final answer
    x = 31,294.44

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Half scale
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Double scale
Find fourth proportional to 40,587.13, 56,006.49 and 22,679.65
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.