Home / 40,241.60-55,560.48-30,793.28

Finding the Fourth Proportional to 40,241.60, 55,560.48 and 30,793.28

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Solution

The fourth proportional to 40,241.60, 55,560.48 and 30,793.28 is: 42,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,241.60 : 55,560.48 = 30,793.28 : x
  2. Step 2: Convert to fraction form
    40,241.60/55,560.48 = 30,793.28/x
  3. Step 3: Cross multiply
    40,241.60x = 55,560.48 × 30,793.28
  4. Step 4: Simplify right side
    40,241.60x = 1,710,889,417.57
  5. Step 5: Solve for x
    x = 1,710,889,417.57/40,241.60
  6. Step 6: Final answer
    x = 42,515.44

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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.