Home / 42,033.07-63,049.80-12,451.47

Finding the Fourth Proportional to 42,033.07, 63,049.80 and 12,451.47

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Solution

The fourth proportional to 42,033.07, 63,049.80 and 12,451.47 is: 18,677.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,033.07 : 63,049.80 = 12,451.47 : x
  2. Step 2: Convert to fraction form
    42,033.07/63,049.80 = 12,451.47/x
  3. Step 3: Cross multiply
    42,033.07x = 63,049.80 × 12,451.47
  4. Step 4: Simplify right side
    42,033.07x = 785,062,693.21
  5. Step 5: Solve for x
    x = 785,062,693.21/42,033.07
  6. Step 6: Final answer
    x = 18,677.26

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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.