Home / 56,737.07-78,296.49-31,242.90

Finding the Fourth Proportional to 56,737.07, 78,296.49 and 31,242.90

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Solution

The fourth proportional to 56,737.07, 78,296.49 and 31,242.90 is: 43,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.07 : 78,296.49 = 31,242.90 : x
  2. Step 2: Convert to fraction form
    56,737.07/78,296.49 = 31,242.90/x
  3. Step 3: Cross multiply
    56,737.07x = 78,296.49 × 31,242.90
  4. Step 4: Simplify right side
    56,737.07x = 2,446,209,407.42
  5. Step 5: Solve for x
    x = 2,446,209,407.42/56,737.07
  6. Step 6: Final answer
    x = 43,114.84

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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.