Home / 39,669.28-59,505.90-13,012.91

Finding the Fourth Proportional to 39,669.28, 59,505.90 and 13,012.91

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Solution

The fourth proportional to 39,669.28, 59,505.90 and 13,012.91 is: 19,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,669.28 : 59,505.90 = 13,012.91 : x
  2. Step 2: Convert to fraction form
    39,669.28/59,505.90 = 13,012.91/x
  3. Step 3: Cross multiply
    39,669.28x = 59,505.90 × 13,012.91
  4. Step 4: Simplify right side
    39,669.28x = 774,344,921.17
  5. Step 5: Solve for x
    x = 774,344,921.17/39,669.28
  6. Step 6: Final answer
    x = 19,520.01

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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.