Home / 39,807.88-59,713.28-13,154.56

Finding the Fourth Proportional to 39,807.88, 59,713.28 and 13,154.56

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Solution

The fourth proportional to 39,807.88, 59,713.28 and 13,154.56 is: 19,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,807.88 : 59,713.28 = 13,154.56 : x
  2. Step 2: Convert to fraction form
    39,807.88/59,713.28 = 13,154.56/x
  3. Step 3: Cross multiply
    39,807.88x = 59,713.28 × 13,154.56
  4. Step 4: Simplify right side
    39,807.88x = 785,501,924.56
  5. Step 5: Solve for x
    x = 785,501,924.56/39,807.88
  6. Step 6: Final answer
    x = 19,732.32

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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.