Home / 40,274.28-60,410.16-19,229.40

Finding the Fourth Proportional to 40,274.28, 60,410.16 and 19,229.40

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Solution

The fourth proportional to 40,274.28, 60,410.16 and 19,229.40 is: 28,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,274.28 : 60,410.16 = 19,229.40 : x
  2. Step 2: Convert to fraction form
    40,274.28/60,410.16 = 19,229.40/x
  3. Step 3: Cross multiply
    40,274.28x = 60,410.16 × 19,229.40
  4. Step 4: Simplify right side
    40,274.28x = 1,161,651,130.70
  5. Step 5: Solve for x
    x = 1,161,651,130.70/40,274.28
  6. Step 6: Final answer
    x = 28,843.50

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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.