Home / 51,581.12-71,182.16-29,225.12

Finding the Fourth Proportional to 51,581.12, 71,182.16 and 29,225.12

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Solution

The fourth proportional to 51,581.12, 71,182.16 and 29,225.12 is: 40,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.12 : 71,182.16 = 29,225.12 : x
  2. Step 2: Convert to fraction form
    51,581.12/71,182.16 = 29,225.12/x
  3. Step 3: Cross multiply
    51,581.12x = 71,182.16 × 29,225.12
  4. Step 4: Simplify right side
    51,581.12x = 2,080,307,167.86
  5. Step 5: Solve for x
    x = 2,080,307,167.86/51,581.12
  6. Step 6: Final answer
    x = 40,330.79

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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.