Home / 42,281.95-63,425.88-16,981.46

Finding the Fourth Proportional to 42,281.95, 63,425.88 and 16,981.46

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Solution

The fourth proportional to 42,281.95, 63,425.88 and 16,981.46 is: 25,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,281.95 : 63,425.88 = 16,981.46 : x
  2. Step 2: Convert to fraction form
    42,281.95/63,425.88 = 16,981.46/x
  3. Step 3: Cross multiply
    42,281.95x = 63,425.88 × 16,981.46
  4. Step 4: Simplify right side
    42,281.95x = 1,077,064,044.18
  5. Step 5: Solve for x
    x = 1,077,064,044.18/42,281.95
  6. Step 6: Final answer
    x = 25,473.38

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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.