Home / 56,969.02-78,613.21-31,475.12

Finding the Fourth Proportional to 56,969.02, 78,613.21 and 31,475.12

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Solution

The fourth proportional to 56,969.02, 78,613.21 and 31,475.12 is: 43,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,969.02 : 78,613.21 = 31,475.12 : x
  2. Step 2: Convert to fraction form
    56,969.02/78,613.21 = 31,475.12/x
  3. Step 3: Cross multiply
    56,969.02x = 78,613.21 × 31,475.12
  4. Step 4: Simplify right side
    56,969.02x = 2,474,359,908.80
  5. Step 5: Solve for x
    x = 2,474,359,908.80/56,969.02
  6. Step 6: Final answer
    x = 43,433.43

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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.