Home / 42,217.60-58,371.60-36,968.80

Finding the Fourth Proportional to 42,217.60, 58,371.60 and 36,968.80

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Solution

The fourth proportional to 42,217.60, 58,371.60 and 36,968.80 is: 51,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.60 : 58,371.60 = 36,968.80 : x
  2. Step 2: Convert to fraction form
    42,217.60/58,371.60 = 36,968.80/x
  3. Step 3: Cross multiply
    42,217.60x = 58,371.60 × 36,968.80
  4. Step 4: Simplify right side
    42,217.60x = 2,157,928,006.08
  5. Step 5: Solve for x
    x = 2,157,928,006.08/42,217.60
  6. Step 6: Final answer
    x = 51,114.42

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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.