Home / 42,084.22-63,128.49-39,955.99

Finding the Fourth Proportional to 42,084.22, 63,128.49 and 39,955.99

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Solution

The fourth proportional to 42,084.22, 63,128.49 and 39,955.99 is: 59,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,084.22 : 63,128.49 = 39,955.99 : x
  2. Step 2: Convert to fraction form
    42,084.22/63,128.49 = 39,955.99/x
  3. Step 3: Cross multiply
    42,084.22x = 63,128.49 × 39,955.99
  4. Step 4: Simplify right side
    42,084.22x = 2,522,361,415.79
  5. Step 5: Solve for x
    x = 2,522,361,415.79/42,084.22
  6. Step 6: Final answer
    x = 59,936.04

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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.