Home / 56,737.08-78,294.40-31,242.87

Finding the Fourth Proportional to 56,737.08, 78,294.40 and 31,242.87

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Solution

The fourth proportional to 56,737.08, 78,294.40 and 31,242.87 is: 43,113.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.08 : 78,294.40 = 31,242.87 : x
  2. Step 2: Convert to fraction form
    56,737.08/78,294.40 = 31,242.87/x
  3. Step 3: Cross multiply
    56,737.08x = 78,294.40 × 31,242.87
  4. Step 4: Simplify right side
    56,737.08x = 2,446,141,682.82
  5. Step 5: Solve for x
    x = 2,446,141,682.82/56,737.08
  6. Step 6: Final answer
    x = 43,113.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.