Home / 39,765.50-59,646.69-13,470.24

Finding the Fourth Proportional to 39,765.50, 59,646.69 and 13,470.24

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Solution

The fourth proportional to 39,765.50, 59,646.69 and 13,470.24 is: 20,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.50 : 59,646.69 = 13,470.24 : x
  2. Step 2: Convert to fraction form
    39,765.50/59,646.69 = 13,470.24/x
  3. Step 3: Cross multiply
    39,765.50x = 59,646.69 × 13,470.24
  4. Step 4: Simplify right side
    39,765.50x = 803,455,229.51
  5. Step 5: Solve for x
    x = 803,455,229.51/39,765.50
  6. Step 6: Final answer
    x = 20,204.83

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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.