Home / 40,274.18-60,429.28-20,542.34

Finding the Fourth Proportional to 40,274.18, 60,429.28 and 20,542.34

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Solution

The fourth proportional to 40,274.18, 60,429.28 and 20,542.34 is: 30,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.18 : 60,429.28 = 20,542.34 : x
  2. Step 2: Convert to fraction form
    40,274.18/60,429.28 = 20,542.34/x
  3. Step 3: Cross multiply
    40,274.18x = 60,429.28 × 20,542.34
  4. Step 4: Simplify right side
    40,274.18x = 1,241,358,815.72
  5. Step 5: Solve for x
    x = 1,241,358,815.72/40,274.18
  6. Step 6: Final answer
    x = 30,822.70

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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.