Home / 47,415.62-71,123.45-14,159.05

Finding the Fourth Proportional to 47,415.62, 71,123.45 and 14,159.05

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Solution

The fourth proportional to 47,415.62, 71,123.45 and 14,159.05 is: 21,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,415.62 : 71,123.45 = 14,159.05 : x
  2. Step 2: Convert to fraction form
    47,415.62/71,123.45 = 14,159.05/x
  3. Step 3: Cross multiply
    47,415.62x = 71,123.45 × 14,159.05
  4. Step 4: Simplify right side
    47,415.62x = 1,007,040,236.12
  5. Step 5: Solve for x
    x = 1,007,040,236.12/47,415.62
  6. Step 6: Final answer
    x = 21,238.57

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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.