Home / 47,436.30-71,158.05-14,153.76

Finding the Fourth Proportional to 47,436.30, 71,158.05 and 14,153.76

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Solution

The fourth proportional to 47,436.30, 71,158.05 and 14,153.76 is: 21,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,436.30 : 71,158.05 = 14,153.76 : x
  2. Step 2: Convert to fraction form
    47,436.30/71,158.05 = 14,153.76/x
  3. Step 3: Cross multiply
    47,436.30x = 71,158.05 × 14,153.76
  4. Step 4: Simplify right side
    47,436.30x = 1,007,153,961.77
  5. Step 5: Solve for x
    x = 1,007,153,961.77/47,436.30
  6. Step 6: Final answer
    x = 21,231.71

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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.