Home / 51,188.38-70,640.67-28,526.74

Finding the Fourth Proportional to 51,188.38, 70,640.67 and 28,526.74

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Solution

The fourth proportional to 51,188.38, 70,640.67 and 28,526.74 is: 39,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.38 : 70,640.67 = 28,526.74 : x
  2. Step 2: Convert to fraction form
    51,188.38/70,640.67 = 28,526.74/x
  3. Step 3: Cross multiply
    51,188.38x = 70,640.67 × 28,526.74
  4. Step 4: Simplify right side
    51,188.38x = 2,015,148,026.52
  5. Step 5: Solve for x
    x = 2,015,148,026.52/51,188.38
  6. Step 6: Final answer
    x = 39,367.29

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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.