Home / 42,472.95-63,702-16,179.27

Finding the Fourth Proportional to 42,472.95, 63,702 and 16,179.27

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Solution

The fourth proportional to 42,472.95, 63,702 and 16,179.27 is: 24,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,472.95 : 63,702 = 16,179.27 : x
  2. Step 2: Convert to fraction form
    42,472.95/63,702 = 16,179.27/x
  3. Step 3: Cross multiply
    42,472.95x = 63,702 × 16,179.27
  4. Step 4: Simplify right side
    42,472.95x = 1,030,651,857.54
  5. Step 5: Solve for x
    x = 1,030,651,857.54/42,472.95
  6. Step 6: Final answer
    x = 24,266.08

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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.