Home / 57,033.60-78,686.28-33,154.80

Finding the Fourth Proportional to 57,033.60, 78,686.28 and 33,154.80

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Solution

The fourth proportional to 57,033.60, 78,686.28 and 33,154.80 is: 45,741.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.60 : 78,686.28 = 33,154.80 : x
  2. Step 2: Convert to fraction form
    57,033.60/78,686.28 = 33,154.80/x
  3. Step 3: Cross multiply
    57,033.60x = 78,686.28 × 33,154.80
  4. Step 4: Simplify right side
    57,033.60x = 2,608,827,876.14
  5. Step 5: Solve for x
    x = 2,608,827,876.14/57,033.60
  6. Step 6: Final answer
    x = 45,741.95

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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.