Home / 39,765.55-59,646.77-13,470.29

Finding the Fourth Proportional to 39,765.55, 59,646.77 and 13,470.29

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Solution

The fourth proportional to 39,765.55, 59,646.77 and 13,470.29 is: 20,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.55 : 59,646.77 = 13,470.29 : x
  2. Step 2: Convert to fraction form
    39,765.55/59,646.77 = 13,470.29/x
  3. Step 3: Cross multiply
    39,765.55x = 59,646.77 × 13,470.29
  4. Step 4: Simplify right side
    39,765.55x = 803,459,222.11
  5. Step 5: Solve for x
    x = 803,459,222.11/39,765.55
  6. Step 6: Final answer
    x = 20,204.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.