Home / 48,256.79-72,365.13-18,657.56

Finding the Fourth Proportional to 48,256.79, 72,365.13 and 18,657.56

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Solution

The fourth proportional to 48,256.79, 72,365.13 and 18,657.56 is: 27,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,256.79 : 72,365.13 = 18,657.56 : x
  2. Step 2: Convert to fraction form
    48,256.79/72,365.13 = 18,657.56/x
  3. Step 3: Cross multiply
    48,256.79x = 72,365.13 × 18,657.56
  4. Step 4: Simplify right side
    48,256.79x = 1,350,156,935.80
  5. Step 5: Solve for x
    x = 1,350,156,935.80/48,256.79
  6. Step 6: Final answer
    x = 27,978.59

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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.