Home / 54,071.50-81,107.27-14,631.70

Finding the Fourth Proportional to 54,071.50, 81,107.27 and 14,631.70

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Solution

The fourth proportional to 54,071.50, 81,107.27 and 14,631.70 is: 21,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,071.50 : 81,107.27 = 14,631.70 : x
  2. Step 2: Convert to fraction form
    54,071.50/81,107.27 = 14,631.70/x
  3. Step 3: Cross multiply
    54,071.50x = 81,107.27 × 14,631.70
  4. Step 4: Simplify right side
    54,071.50x = 1,186,737,242.46
  5. Step 5: Solve for x
    x = 1,186,737,242.46/54,071.50
  6. Step 6: Final answer
    x = 21,947.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.