Home / 47,639.91-65,593.40-40,454.76

Finding the Fourth Proportional to 47,639.91, 65,593.40 and 40,454.76

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Solution

The fourth proportional to 47,639.91, 65,593.40 and 40,454.76 is: 55,700.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,639.91 : 65,593.40 = 40,454.76 : x
  2. Step 2: Convert to fraction form
    47,639.91/65,593.40 = 40,454.76/x
  3. Step 3: Cross multiply
    47,639.91x = 65,593.40 × 40,454.76
  4. Step 4: Simplify right side
    47,639.91x = 2,653,565,052.31
  5. Step 5: Solve for x
    x = 2,653,565,052.31/47,639.91
  6. Step 6: Final answer
    x = 55,700.46

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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.