Home / 42,713.61-64,070.42-11,548.86

Finding the Fourth Proportional to 42,713.61, 64,070.42 and 11,548.86

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Solution

The fourth proportional to 42,713.61, 64,070.42 and 11,548.86 is: 17,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,713.61 : 64,070.42 = 11,548.86 : x
  2. Step 2: Convert to fraction form
    42,713.61/64,070.42 = 11,548.86/x
  3. Step 3: Cross multiply
    42,713.61x = 64,070.42 × 11,548.86
  4. Step 4: Simplify right side
    42,713.61x = 739,940,310.72
  5. Step 5: Solve for x
    x = 739,940,310.72/42,713.61
  6. Step 6: Final answer
    x = 17,323.29

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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.