Home / 47,857.15-66,031.58-40,229.42

Finding the Fourth Proportional to 47,857.15, 66,031.58 and 40,229.42

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Solution

The fourth proportional to 47,857.15, 66,031.58 and 40,229.42 is: 55,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,857.15 : 66,031.58 = 40,229.42 : x
  2. Step 2: Convert to fraction form
    47,857.15/66,031.58 = 40,229.42/x
  3. Step 3: Cross multiply
    47,857.15x = 66,031.58 × 40,229.42
  4. Step 4: Simplify right side
    47,857.15x = 2,656,411,633.78
  5. Step 5: Solve for x
    x = 2,656,411,633.78/47,857.15
  6. Step 6: Final answer
    x = 55,507.10

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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.