Home / 37,691.32-56,538.66-12,729.16

Finding the Fourth Proportional to 37,691.32, 56,538.66 and 12,729.16

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Solution

The fourth proportional to 37,691.32, 56,538.66 and 12,729.16 is: 19,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,691.32 : 56,538.66 = 12,729.16 : x
  2. Step 2: Convert to fraction form
    37,691.32/56,538.66 = 12,729.16/x
  3. Step 3: Cross multiply
    37,691.32x = 56,538.66 × 12,729.16
  4. Step 4: Simplify right side
    37,691.32x = 719,689,649.33
  5. Step 5: Solve for x
    x = 719,689,649.33/37,691.32
  6. Step 6: Final answer
    x = 19,094.31

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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.