Home / 55,225.40-76,211.92-30,074.88

Finding the Fourth Proportional to 55,225.40, 76,211.92 and 30,074.88

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Solution

The fourth proportional to 55,225.40, 76,211.92 and 30,074.88 is: 41,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.40 : 76,211.92 = 30,074.88 : x
  2. Step 2: Convert to fraction form
    55,225.40/76,211.92 = 30,074.88/x
  3. Step 3: Cross multiply
    55,225.40x = 76,211.92 × 30,074.88
  4. Step 4: Simplify right side
    55,225.40x = 2,292,064,348.57
  5. Step 5: Solve for x
    x = 2,292,064,348.57/55,225.40
  6. Step 6: Final answer
    x = 41,503.81

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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.