Home / 56,239.89-84,294.21-31,267.98

Finding the Fourth Proportional to 56,239.89, 84,294.21 and 31,267.98

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Solution

The fourth proportional to 56,239.89, 84,294.21 and 31,267.98 is: 46,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,239.89 : 84,294.21 = 31,267.98 : x
  2. Step 2: Convert to fraction form
    56,239.89/84,294.21 = 31,267.98/x
  3. Step 3: Cross multiply
    56,239.89x = 84,294.21 × 31,267.98
  4. Step 4: Simplify right side
    56,239.89x = 2,635,709,672.40
  5. Step 5: Solve for x
    x = 2,635,709,672.40/56,239.89
  6. Step 6: Final answer
    x = 46,865.48

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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.