Home / 52,074.07-71,862.26-28,200.78

Finding the Fourth Proportional to 52,074.07, 71,862.26 and 28,200.78

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Solution

The fourth proportional to 52,074.07, 71,862.26 and 28,200.78 is: 38,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,074.07 : 71,862.26 = 28,200.78 : x
  2. Step 2: Convert to fraction form
    52,074.07/71,862.26 = 28,200.78/x
  3. Step 3: Cross multiply
    52,074.07x = 71,862.26 × 28,200.78
  4. Step 4: Simplify right side
    52,074.07x = 2,026,571,643.56
  5. Step 5: Solve for x
    x = 2,026,571,643.56/52,074.07
  6. Step 6: Final answer
    x = 38,917.10

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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.