Home / 77,064.74-115,601.12-24,478.34

Finding the Fourth Proportional to 77,064.74, 115,601.12 and 24,478.34

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Solution

The fourth proportional to 77,064.74, 115,601.12 and 24,478.34 is: 36,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,064.74 : 115,601.12 = 24,478.34 : x
  2. Step 2: Convert to fraction form
    77,064.74/115,601.12 = 24,478.34/x
  3. Step 3: Cross multiply
    77,064.74x = 115,601.12 × 24,478.34
  4. Step 4: Simplify right side
    77,064.74x = 2,829,723,519.74
  5. Step 5: Solve for x
    x = 2,829,723,519.74/77,064.74
  6. Step 6: Final answer
    x = 36,718.78

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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.