Home / 52,211.60-78,274.20-27,587.60

Finding the Fourth Proportional to 52,211.60, 78,274.20 and 27,587.60

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Solution

The fourth proportional to 52,211.60, 78,274.20 and 27,587.60 is: 41,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.60 : 78,274.20 = 27,587.60 : x
  2. Step 2: Convert to fraction form
    52,211.60/78,274.20 = 27,587.60/x
  3. Step 3: Cross multiply
    52,211.60x = 78,274.20 × 27,587.60
  4. Step 4: Simplify right side
    52,211.60x = 2,159,397,319.92
  5. Step 5: Solve for x
    x = 2,159,397,319.92/52,211.60
  6. Step 6: Final answer
    x = 41,358.57

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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.