Home / 47,421.20-65,443.16-27,278.08

Finding the Fourth Proportional to 47,421.20, 65,443.16 and 27,278.08

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Solution

The fourth proportional to 47,421.20, 65,443.16 and 27,278.08 is: 37,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.20 : 65,443.16 = 27,278.08 : x
  2. Step 2: Convert to fraction form
    47,421.20/65,443.16 = 27,278.08/x
  3. Step 3: Cross multiply
    47,421.20x = 65,443.16 × 27,278.08
  4. Step 4: Simplify right side
    47,421.20x = 1,785,163,753.93
  5. Step 5: Solve for x
    x = 1,785,163,753.93/47,421.20
  6. Step 6: Final answer
    x = 37,644.85

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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.