Home / 52,454.16-78,587.96-30,221.61

Finding the Fourth Proportional to 52,454.16, 78,587.96 and 30,221.61

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Solution

The fourth proportional to 52,454.16, 78,587.96 and 30,221.61 is: 45,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,454.16 : 78,587.96 = 30,221.61 : x
  2. Step 2: Convert to fraction form
    52,454.16/78,587.96 = 30,221.61/x
  3. Step 3: Cross multiply
    52,454.16x = 78,587.96 × 30,221.61
  4. Step 4: Simplify right side
    52,454.16x = 2,375,054,526.71
  5. Step 5: Solve for x
    x = 2,375,054,526.71/52,454.16
  6. Step 6: Final answer
    x = 45,278.67

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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.