Home / 51,899.20-71,622.88-29,247.20

Finding the Fourth Proportional to 51,899.20, 71,622.88 and 29,247.20

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Solution

The fourth proportional to 51,899.20, 71,622.88 and 29,247.20 is: 40,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.20 : 71,622.88 = 29,247.20 : x
  2. Step 2: Convert to fraction form
    51,899.20/71,622.88 = 29,247.20/x
  3. Step 3: Cross multiply
    51,899.20x = 71,622.88 × 29,247.20
  4. Step 4: Simplify right side
    51,899.20x = 2,094,768,695.94
  5. Step 5: Solve for x
    x = 2,094,768,695.94/51,899.20
  6. Step 6: Final answer
    x = 40,362.25

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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.