Home / 39,380.64-54,346.65-22,385.60

Finding the Fourth Proportional to 39,380.64, 54,346.65 and 22,385.60

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Solution

The fourth proportional to 39,380.64, 54,346.65 and 22,385.60 is: 30,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.64 : 54,346.65 = 22,385.60 : x
  2. Step 2: Convert to fraction form
    39,380.64/54,346.65 = 22,385.60/x
  3. Step 3: Cross multiply
    39,380.64x = 54,346.65 × 22,385.60
  4. Step 4: Simplify right side
    39,380.64x = 1,216,582,368.24
  5. Step 5: Solve for x
    x = 1,216,582,368.24/39,380.64
  6. Step 6: Final answer
    x = 30,892.90

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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.