Home / 42,619.22-63,897.32-14,531.84

Finding the Fourth Proportional to 42,619.22, 63,897.32 and 14,531.84

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Solution

The fourth proportional to 42,619.22, 63,897.32 and 14,531.84 is: 21,787.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,619.22 : 63,897.32 = 14,531.84 : x
  2. Step 2: Convert to fraction form
    42,619.22/63,897.32 = 14,531.84/x
  3. Step 3: Cross multiply
    42,619.22x = 63,897.32 × 14,531.84
  4. Step 4: Simplify right side
    42,619.22x = 928,545,630.67
  5. Step 5: Solve for x
    x = 928,545,630.67/42,619.22
  6. Step 6: Final answer
    x = 21,787.02

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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.