Home / 39,931.29-59,883.96-13,270.11

Finding the Fourth Proportional to 39,931.29, 59,883.96 and 13,270.11

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Solution

The fourth proportional to 39,931.29, 59,883.96 and 13,270.11 is: 19,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,931.29 : 59,883.96 = 13,270.11 : x
  2. Step 2: Convert to fraction form
    39,931.29/59,883.96 = 13,270.11/x
  3. Step 3: Cross multiply
    39,931.29x = 59,883.96 × 13,270.11
  4. Step 4: Simplify right side
    39,931.29x = 794,666,736.44
  5. Step 5: Solve for x
    x = 794,666,736.44/39,931.29
  6. Step 6: Final answer
    x = 19,900.85

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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.