Home / 47,966.37-66,177.47-27,815.90

Finding the Fourth Proportional to 47,966.37, 66,177.47 and 27,815.90

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Solution

The fourth proportional to 47,966.37, 66,177.47 and 27,815.90 is: 38,376.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,966.37 : 66,177.47 = 27,815.90 : x
  2. Step 2: Convert to fraction form
    47,966.37/66,177.47 = 27,815.90/x
  3. Step 3: Cross multiply
    47,966.37x = 66,177.47 × 27,815.90
  4. Step 4: Simplify right side
    47,966.37x = 1,840,785,887.77
  5. Step 5: Solve for x
    x = 1,840,785,887.77/47,966.37
  6. Step 6: Final answer
    x = 38,376.59

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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.