Home / 39,418.52-59,126.34-11,715.80

Finding the Fourth Proportional to 39,418.52, 59,126.34 and 11,715.80

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Solution

The fourth proportional to 39,418.52, 59,126.34 and 11,715.80 is: 17,573.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.52 : 59,126.34 = 11,715.80 : x
  2. Step 2: Convert to fraction form
    39,418.52/59,126.34 = 11,715.80/x
  3. Step 3: Cross multiply
    39,418.52x = 59,126.34 × 11,715.80
  4. Step 4: Simplify right side
    39,418.52x = 692,712,374.17
  5. Step 5: Solve for x
    x = 692,712,374.17/39,418.52
  6. Step 6: Final answer
    x = 17,573.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.