Home / 37,454.80-56,165.28-19,920.88

Finding the Fourth Proportional to 37,454.80, 56,165.28 and 19,920.88

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Solution

The fourth proportional to 37,454.80, 56,165.28 and 19,920.88 is: 29,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,454.80 : 56,165.28 = 19,920.88 : x
  2. Step 2: Convert to fraction form
    37,454.80/56,165.28 = 19,920.88/x
  3. Step 3: Cross multiply
    37,454.80x = 56,165.28 × 19,920.88
  4. Step 4: Simplify right side
    37,454.80x = 1,118,861,803.05
  5. Step 5: Solve for x
    x = 1,118,861,803.05/37,454.80
  6. Step 6: Final answer
    x = 29,872.32

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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.