Home / 35,966.20-49,520.40-30,578.02

Finding the Fourth Proportional to 35,966.20, 49,520.40 and 30,578.02

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Solution

The fourth proportional to 35,966.20, 49,520.40 and 30,578.02 is: 42,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.20 : 49,520.40 = 30,578.02 : x
  2. Step 2: Convert to fraction form
    35,966.20/49,520.40 = 30,578.02/x
  3. Step 3: Cross multiply
    35,966.20x = 49,520.40 × 30,578.02
  4. Step 4: Simplify right side
    35,966.20x = 1,514,235,781.61
  5. Step 5: Solve for x
    x = 1,514,235,781.61/35,966.20
  6. Step 6: Final answer
    x = 42,101.63

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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.