Home / 39,765.29-59,646.37-13,470.03

Finding the Fourth Proportional to 39,765.29, 59,646.37 and 13,470.03

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Solution

The fourth proportional to 39,765.29, 59,646.37 and 13,470.03 is: 20,204.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,765.29 : 59,646.37 = 13,470.03 : x
  2. Step 2: Convert to fraction form
    39,765.29/59,646.37 = 13,470.03/x
  3. Step 3: Cross multiply
    39,765.29x = 59,646.37 × 13,470.03
  4. Step 4: Simplify right side
    39,765.29x = 803,438,027.71
  5. Step 5: Solve for x
    x = 803,438,027.71/39,765.29
  6. Step 6: Final answer
    x = 20,204.51

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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.