Home / 42,190.52-63,289.02-11,025.32

Finding the Fourth Proportional to 42,190.52, 63,289.02 and 11,025.32

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Solution

The fourth proportional to 42,190.52, 63,289.02 and 11,025.32 is: 16,538.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,190.52 : 63,289.02 = 11,025.32 : x
  2. Step 2: Convert to fraction form
    42,190.52/63,289.02 = 11,025.32/x
  3. Step 3: Cross multiply
    42,190.52x = 63,289.02 × 11,025.32
  4. Step 4: Simplify right side
    42,190.52x = 697,781,697.99
  5. Step 5: Solve for x
    x = 697,781,697.99/42,190.52
  6. Step 6: Final answer
    x = 16,538.83

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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.