Home / 47,966.87-66,178.16-27,816.40

Finding the Fourth Proportional to 47,966.87, 66,178.16 and 27,816.40

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Solution

The fourth proportional to 47,966.87, 66,178.16 and 27,816.40 is: 38,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,966.87 : 66,178.16 = 27,816.40 : x
  2. Step 2: Convert to fraction form
    47,966.87/66,178.16 = 27,816.40/x
  3. Step 3: Cross multiply
    47,966.87x = 66,178.16 × 27,816.40
  4. Step 4: Simplify right side
    47,966.87x = 1,840,838,169.82
  5. Step 5: Solve for x
    x = 1,840,838,169.82/47,966.87
  6. Step 6: Final answer
    x = 38,377.28

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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.