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Finding the Fourth Proportional to 47,750.40, 65,891.52 and 26,528.40

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Solution

The fourth proportional to 47,750.40, 65,891.52 and 26,528.40 is: 36,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,750.40 : 65,891.52 = 26,528.40 : x
  2. Step 2: Convert to fraction form
    47,750.40/65,891.52 = 26,528.40/x
  3. Step 3: Cross multiply
    47,750.40x = 65,891.52 × 26,528.40
  4. Step 4: Simplify right side
    47,750.40x = 1,747,996,599.17
  5. Step 5: Solve for x
    x = 1,747,996,599.17/47,750.40
  6. Step 6: Final answer
    x = 36,606.95

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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.