Home / 42,427.10-63,616.65-16,132.70

Finding the Fourth Proportional to 42,427.10, 63,616.65 and 16,132.70

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Solution

The fourth proportional to 42,427.10, 63,616.65 and 16,132.70 is: 24,189.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,427.10 : 63,616.65 = 16,132.70 : x
  2. Step 2: Convert to fraction form
    42,427.10/63,616.65 = 16,132.70/x
  3. Step 3: Cross multiply
    42,427.10x = 63,616.65 × 16,132.70
  4. Step 4: Simplify right side
    42,427.10x = 1,026,308,329.46
  5. Step 5: Solve for x
    x = 1,026,308,329.46/42,427.10
  6. Step 6: Final answer
    x = 24,189.92

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1.5x scale

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.