Home / 47,964.64-71,955.60-21,681.76

Finding the Fourth Proportional to 47,964.64, 71,955.60 and 21,681.76

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Solution

The fourth proportional to 47,964.64, 71,955.60 and 21,681.76 is: 32,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,964.64 : 71,955.60 = 21,681.76 : x
  2. Step 2: Convert to fraction form
    47,964.64/71,955.60 = 21,681.76/x
  3. Step 3: Cross multiply
    47,964.64x = 71,955.60 × 21,681.76
  4. Step 4: Simplify right side
    47,964.64x = 1,560,124,049.86
  5. Step 5: Solve for x
    x = 1,560,124,049.86/47,964.64
  6. Step 6: Final answer
    x = 32,526.55

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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.