Home / 32,740.76-45,187.67-19,315.31

Finding the Fourth Proportional to 32,740.76, 45,187.67 and 19,315.31

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Solution

The fourth proportional to 32,740.76, 45,187.67 and 19,315.31 is: 26,658.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.76 : 45,187.67 = 19,315.31 : x
  2. Step 2: Convert to fraction form
    32,740.76/45,187.67 = 19,315.31/x
  3. Step 3: Cross multiply
    32,740.76x = 45,187.67 × 19,315.31
  4. Step 4: Simplify right side
    32,740.76x = 872,813,676.58
  5. Step 5: Solve for x
    x = 872,813,676.58/32,740.76
  6. Step 6: Final answer
    x = 26,658.32

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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.