Home / 56,359.18-84,548.40-18,922.87

Finding the Fourth Proportional to 56,359.18, 84,548.40 and 18,922.87

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Solution

The fourth proportional to 56,359.18, 84,548.40 and 18,922.87 is: 28,387.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.18 : 84,548.40 = 18,922.87 : x
  2. Step 2: Convert to fraction form
    56,359.18/84,548.40 = 18,922.87/x
  3. Step 3: Cross multiply
    56,359.18x = 84,548.40 × 18,922.87
  4. Step 4: Simplify right side
    56,359.18x = 1,599,898,381.91
  5. Step 5: Solve for x
    x = 1,599,898,381.91/56,359.18
  6. Step 6: Final answer
    x = 28,387.54

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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.