Home / 37,140.39-51,253.56-20,373.39

Finding the Fourth Proportional to 37,140.39, 51,253.56 and 20,373.39

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Solution

The fourth proportional to 37,140.39, 51,253.56 and 20,373.39 is: 28,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.39 : 51,253.56 = 20,373.39 : x
  2. Step 2: Convert to fraction form
    37,140.39/51,253.56 = 20,373.39/x
  3. Step 3: Cross multiply
    37,140.39x = 51,253.56 × 20,373.39
  4. Step 4: Simplify right side
    37,140.39x = 1,044,208,766.77
  5. Step 5: Solve for x
    x = 1,044,208,766.77/37,140.39
  6. Step 6: Final answer
    x = 28,115.18

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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.