Home / 47,689.20-65,809.76-26,178.94

Finding the Fourth Proportional to 47,689.20, 65,809.76 and 26,178.94

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Solution

The fourth proportional to 47,689.20, 65,809.76 and 26,178.94 is: 36,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.20 : 65,809.76 = 26,178.94 : x
  2. Step 2: Convert to fraction form
    47,689.20/65,809.76 = 26,178.94/x
  3. Step 3: Cross multiply
    47,689.20x = 65,809.76 × 26,178.94
  4. Step 4: Simplify right side
    47,689.20x = 1,722,829,758.45
  5. Step 5: Solve for x
    x = 1,722,829,758.45/47,689.20
  6. Step 6: Final answer
    x = 36,126.20

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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.