Home / 47,942.20-66,160.02-27,810.76

Finding the Fourth Proportional to 47,942.20, 66,160.02 and 27,810.76

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Solution

The fourth proportional to 47,942.20, 66,160.02 and 27,810.76 is: 38,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.20 : 66,160.02 = 27,810.76 : x
  2. Step 2: Convert to fraction form
    47,942.20/66,160.02 = 27,810.76/x
  3. Step 3: Cross multiply
    47,942.20x = 66,160.02 × 27,810.76
  4. Step 4: Simplify right side
    47,942.20x = 1,839,960,437.82
  5. Step 5: Solve for x
    x = 1,839,960,437.82/47,942.20
  6. Step 6: Final answer
    x = 38,378.72

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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.