Home / 57,211-78,951.18-32,068.60

Finding the Fourth Proportional to 57,211, 78,951.18 and 32,068.60

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Solution

The fourth proportional to 57,211, 78,951.18 and 32,068.60 is: 44,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,211 : 78,951.18 = 32,068.60 : x
  2. Step 2: Convert to fraction form
    57,211/78,951.18 = 32,068.60/x
  3. Step 3: Cross multiply
    57,211x = 78,951.18 × 32,068.60
  4. Step 4: Simplify right side
    57,211x = 2,531,853,810.95
  5. Step 5: Solve for x
    x = 2,531,853,810.95/57,211
  6. Step 6: Final answer
    x = 44,254.67

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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.