Home / 47,941.20-66,158.64-27,809.76

Finding the Fourth Proportional to 47,941.20, 66,158.64 and 27,809.76

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Solution

The fourth proportional to 47,941.20, 66,158.64 and 27,809.76 is: 38,377.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.20 : 66,158.64 = 27,809.76 : x
  2. Step 2: Convert to fraction form
    47,941.20/66,158.64 = 27,809.76/x
  3. Step 3: Cross multiply
    47,941.20x = 66,158.64 × 27,809.76
  4. Step 4: Simplify right side
    47,941.20x = 1,839,855,900.33
  5. Step 5: Solve for x
    x = 1,839,855,900.33/47,941.20
  6. Step 6: Final answer
    x = 38,377.34

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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.