Home / 45,280.68-67,905.64-15,691.60

Finding the Fourth Proportional to 45,280.68, 67,905.64 and 15,691.60

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Solution

The fourth proportional to 45,280.68, 67,905.64 and 15,691.60 is: 23,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,280.68 : 67,905.64 = 15,691.60 : x
  2. Step 2: Convert to fraction form
    45,280.68/67,905.64 = 15,691.60/x
  3. Step 3: Cross multiply
    45,280.68x = 67,905.64 × 15,691.60
  4. Step 4: Simplify right side
    45,280.68x = 1,065,548,140.62
  5. Step 5: Solve for x
    x = 1,065,548,140.62/45,280.68
  6. Step 6: Final answer
    x = 23,532.07

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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.