Home / 37,602.40-56,423.04-20,077.60

Finding the Fourth Proportional to 37,602.40, 56,423.04 and 20,077.60

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Solution

The fourth proportional to 37,602.40, 56,423.04 and 20,077.60 is: 30,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,602.40 : 56,423.04 = 20,077.60 : x
  2. Step 2: Convert to fraction form
    37,602.40/56,423.04 = 20,077.60/x
  3. Step 3: Cross multiply
    37,602.40x = 56,423.04 × 20,077.60
  4. Step 4: Simplify right side
    37,602.40x = 1,132,839,227.90
  5. Step 5: Solve for x
    x = 1,132,839,227.90/37,602.40
  6. Step 6: Final answer
    x = 30,126.78

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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.