Home / 47,548.38-71,307.18-21,271.98

Finding the Fourth Proportional to 47,548.38, 71,307.18 and 21,271.98

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Solution

The fourth proportional to 47,548.38, 71,307.18 and 21,271.98 is: 31,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,548.38 : 71,307.18 = 21,271.98 : x
  2. Step 2: Convert to fraction form
    47,548.38/71,307.18 = 21,271.98/x
  3. Step 3: Cross multiply
    47,548.38x = 71,307.18 × 21,271.98
  4. Step 4: Simplify right side
    47,548.38x = 1,516,844,906.82
  5. Step 5: Solve for x
    x = 1,516,844,906.82/47,548.38
  6. Step 6: Final answer
    x = 31,901.08

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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.