Home / 39,915.64-59,862.12-11,837.80

Finding the Fourth Proportional to 39,915.64, 59,862.12 and 11,837.80

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Solution

The fourth proportional to 39,915.64, 59,862.12 and 11,837.80 is: 17,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.64 : 59,862.12 = 11,837.80 : x
  2. Step 2: Convert to fraction form
    39,915.64/59,862.12 = 11,837.80/x
  3. Step 3: Cross multiply
    39,915.64x = 59,862.12 × 11,837.80
  4. Step 4: Simplify right side
    39,915.64x = 708,635,804.14
  5. Step 5: Solve for x
    x = 708,635,804.14/39,915.64
  6. Step 6: Final answer
    x = 17,753.34

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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.