Home / 52,759.42-72,805.12-28,881.48

Finding the Fourth Proportional to 52,759.42, 72,805.12 and 28,881.48

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Solution

The fourth proportional to 52,759.42, 72,805.12 and 28,881.48 is: 39,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.42 : 72,805.12 = 28,881.48 : x
  2. Step 2: Convert to fraction form
    52,759.42/72,805.12 = 28,881.48/x
  3. Step 3: Cross multiply
    52,759.42x = 72,805.12 × 28,881.48
  4. Step 4: Simplify right side
    52,759.42x = 2,102,719,271.95
  5. Step 5: Solve for x
    x = 2,102,719,271.95/52,759.42
  6. Step 6: Final answer
    x = 39,854.86

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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.