Home / 47,140.64-65,037.80-29,229.20

Finding the Fourth Proportional to 47,140.64, 65,037.80 and 29,229.20

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Solution

The fourth proportional to 47,140.64, 65,037.80 and 29,229.20 is: 40,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.64 : 65,037.80 = 29,229.20 : x
  2. Step 2: Convert to fraction form
    47,140.64/65,037.80 = 29,229.20/x
  3. Step 3: Cross multiply
    47,140.64x = 65,037.80 × 29,229.20
  4. Step 4: Simplify right side
    47,140.64x = 1,901,002,863.76
  5. Step 5: Solve for x
    x = 1,901,002,863.76/47,140.64
  6. Step 6: Final answer
    x = 40,326.20

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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.