Home / 54,220.20-81,330.30-37,631.40

Finding the Fourth Proportional to 54,220.20, 81,330.30 and 37,631.40

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Solution

The fourth proportional to 54,220.20, 81,330.30 and 37,631.40 is: 56,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.20 : 81,330.30 = 37,631.40 : x
  2. Step 2: Convert to fraction form
    54,220.20/81,330.30 = 37,631.40/x
  3. Step 3: Cross multiply
    54,220.20x = 81,330.30 × 37,631.40
  4. Step 4: Simplify right side
    54,220.20x = 3,060,573,051.42
  5. Step 5: Solve for x
    x = 3,060,573,051.42/54,220.20
  6. Step 6: Final answer
    x = 56,447.10

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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.