Home / 59,387.31-89,089.20-19,955.70

Finding the Fourth Proportional to 59,387.31, 89,089.20 and 19,955.70

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Solution

The fourth proportional to 59,387.31, 89,089.20 and 19,955.70 is: 29,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,387.31 : 89,089.20 = 19,955.70 : x
  2. Step 2: Convert to fraction form
    59,387.31/89,089.20 = 19,955.70/x
  3. Step 3: Cross multiply
    59,387.31x = 89,089.20 × 19,955.70
  4. Step 4: Simplify right side
    59,387.31x = 1,777,837,348.44
  5. Step 5: Solve for x
    x = 1,777,837,348.44/59,387.31
  6. Step 6: Final answer
    x = 29,936.32

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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.