Home / 42,363.60-63,577.84-30,511.68

Finding the Fourth Proportional to 42,363.60, 63,577.84 and 30,511.68

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Solution

The fourth proportional to 42,363.60, 63,577.84 and 30,511.68 is: 45,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,363.60 : 63,577.84 = 30,511.68 : x
  2. Step 2: Convert to fraction form
    42,363.60/63,577.84 = 30,511.68/x
  3. Step 3: Cross multiply
    42,363.60x = 63,577.84 × 30,511.68
  4. Step 4: Simplify right side
    42,363.60x = 1,939,866,709.17
  5. Step 5: Solve for x
    x = 1,939,866,709.17/42,363.60
  6. Step 6: Final answer
    x = 45,790.88

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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.