Home / 60,319.11-90,447.75-31,871.34

Finding the Fourth Proportional to 60,319.11, 90,447.75 and 31,871.34

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Solution

The fourth proportional to 60,319.11, 90,447.75 and 31,871.34 is: 47,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,319.11 : 90,447.75 = 31,871.34 : x
  2. Step 2: Convert to fraction form
    60,319.11/90,447.75 = 31,871.34/x
  3. Step 3: Cross multiply
    60,319.11x = 90,447.75 × 31,871.34
  4. Step 4: Simplify right side
    60,319.11x = 2,882,690,992.49
  5. Step 5: Solve for x
    x = 2,882,690,992.49/60,319.11
  6. Step 6: Final answer
    x = 47,790.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.