Home / 52,218.95-72,080.85-30,998.23

Finding the Fourth Proportional to 52,218.95, 72,080.85 and 30,998.23

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Solution

The fourth proportional to 52,218.95, 72,080.85 and 30,998.23 is: 42,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,218.95 : 72,080.85 = 30,998.23 : x
  2. Step 2: Convert to fraction form
    52,218.95/72,080.85 = 30,998.23/x
  3. Step 3: Cross multiply
    52,218.95x = 72,080.85 × 30,998.23
  4. Step 4: Simplify right side
    52,218.95x = 2,234,378,702.94
  5. Step 5: Solve for x
    x = 2,234,378,702.94/52,218.95
  6. Step 6: Final answer
    x = 42,788.66

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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.