Home / 37,399.12-51,607.20-20,631.04

Finding the Fourth Proportional to 37,399.12, 51,607.20 and 20,631.04

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Solution

The fourth proportional to 37,399.12, 51,607.20 and 20,631.04 is: 28,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,399.12 : 51,607.20 = 20,631.04 : x
  2. Step 2: Convert to fraction form
    37,399.12/51,607.20 = 20,631.04/x
  3. Step 3: Cross multiply
    37,399.12x = 51,607.20 × 20,631.04
  4. Step 4: Simplify right side
    37,399.12x = 1,064,710,207.49
  5. Step 5: Solve for x
    x = 1,064,710,207.49/37,399.12
  6. Step 6: Final answer
    x = 28,468.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.