Home / 52,387.08-72,244.46-40,431.48

Finding the Fourth Proportional to 52,387.08, 72,244.46 and 40,431.48

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Solution

The fourth proportional to 52,387.08, 72,244.46 and 40,431.48 is: 55,757.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.08 : 72,244.46 = 40,431.48 : x
  2. Step 2: Convert to fraction form
    52,387.08/72,244.46 = 40,431.48/x
  3. Step 3: Cross multiply
    52,387.08x = 72,244.46 × 40,431.48
  4. Step 4: Simplify right side
    52,387.08x = 2,920,950,439.60
  5. Step 5: Solve for x
    x = 2,920,950,439.60/52,387.08
  6. Step 6: Final answer
    x = 55,757.08

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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.