Home / 56,354.88-77,769.73-31,204.38

Finding the Fourth Proportional to 56,354.88, 77,769.73 and 31,204.38

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Solution

The fourth proportional to 56,354.88, 77,769.73 and 31,204.38 is: 43,062.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,354.88 : 77,769.73 = 31,204.38 : x
  2. Step 2: Convert to fraction form
    56,354.88/77,769.73 = 31,204.38/x
  3. Step 3: Cross multiply
    56,354.88x = 77,769.73 × 31,204.38
  4. Step 4: Simplify right side
    56,354.88x = 2,426,756,207.42
  5. Step 5: Solve for x
    x = 2,426,756,207.42/56,354.88
  6. Step 6: Final answer
    x = 43,062.04

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1.5x scale

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.