Home / 37,387.20-56,145.60-19,891.20

Finding the Fourth Proportional to 37,387.20, 56,145.60 and 19,891.20

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Solution

The fourth proportional to 37,387.20, 56,145.60 and 19,891.20 is: 29,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,387.20 : 56,145.60 = 19,891.20 : x
  2. Step 2: Convert to fraction form
    37,387.20/56,145.60 = 19,891.20/x
  3. Step 3: Cross multiply
    37,387.20x = 56,145.60 × 19,891.20
  4. Step 4: Simplify right side
    37,387.20x = 1,116,803,358.72
  5. Step 5: Solve for x
    x = 1,116,803,358.72/37,387.20
  6. Step 6: Final answer
    x = 29,871.28

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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.