Home / 52,214.13-72,053.57-28,340.30

Finding the Fourth Proportional to 52,214.13, 72,053.57 and 28,340.30

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Solution

The fourth proportional to 52,214.13, 72,053.57 and 28,340.30 is: 39,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,214.13 : 72,053.57 = 28,340.30 : x
  2. Step 2: Convert to fraction form
    52,214.13/72,053.57 = 28,340.30/x
  3. Step 3: Cross multiply
    52,214.13x = 72,053.57 × 28,340.30
  4. Step 4: Simplify right side
    52,214.13x = 2,042,019,789.87
  5. Step 5: Solve for x
    x = 2,042,019,789.87/52,214.13
  6. Step 6: Final answer
    x = 39,108.57

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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.