Home / 50,254.71-69,383.96-31,154.90

Finding the Fourth Proportional to 50,254.71, 69,383.96 and 31,154.90

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Solution

The fourth proportional to 50,254.71, 69,383.96 and 31,154.90 is: 43,013.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,254.71 : 69,383.96 = 31,154.90 : x
  2. Step 2: Convert to fraction form
    50,254.71/69,383.96 = 31,154.90/x
  3. Step 3: Cross multiply
    50,254.71x = 69,383.96 × 31,154.90
  4. Step 4: Simplify right side
    50,254.71x = 2,161,650,335.40
  5. Step 5: Solve for x
    x = 2,161,650,335.40/50,254.71
  6. Step 6: Final answer
    x = 43,013.89

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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.