Home / 47,631.80-65,732.28-26,411.36

Finding the Fourth Proportional to 47,631.80, 65,732.28 and 26,411.36

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Solution

The fourth proportional to 47,631.80, 65,732.28 and 26,411.36 is: 36,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.80 : 65,732.28 = 26,411.36 : x
  2. Step 2: Convert to fraction form
    47,631.80/65,732.28 = 26,411.36/x
  3. Step 3: Cross multiply
    47,631.80x = 65,732.28 × 26,411.36
  4. Step 4: Simplify right side
    47,631.80x = 1,736,078,910.70
  5. Step 5: Solve for x
    x = 1,736,078,910.70/47,631.80
  6. Step 6: Final answer
    x = 36,447.90

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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.