Home / 42,523.92-58,703.13-28,386.18

Finding the Fourth Proportional to 42,523.92, 58,703.13 and 28,386.18

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Solution

The fourth proportional to 42,523.92, 58,703.13 and 28,386.18 is: 39,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,523.92 : 58,703.13 = 28,386.18 : x
  2. Step 2: Convert to fraction form
    42,523.92/58,703.13 = 28,386.18/x
  3. Step 3: Cross multiply
    42,523.92x = 58,703.13 × 28,386.18
  4. Step 4: Simplify right side
    42,523.92x = 1,666,357,614.74
  5. Step 5: Solve for x
    x = 1,666,357,614.74/42,523.92
  6. Step 6: Final answer
    x = 39,186.36

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Double scale
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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.