Home / 52,043.87-71,820.72-28,170.51

Finding the Fourth Proportional to 52,043.87, 71,820.72 and 28,170.51

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Solution

The fourth proportional to 52,043.87, 71,820.72 and 28,170.51 is: 38,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,043.87 : 71,820.72 = 28,170.51 : x
  2. Step 2: Convert to fraction form
    52,043.87/71,820.72 = 28,170.51/x
  3. Step 3: Cross multiply
    52,043.87x = 71,820.72 × 28,170.51
  4. Step 4: Simplify right side
    52,043.87x = 2,023,226,310.97
  5. Step 5: Solve for x
    x = 2,023,226,310.97/52,043.87
  6. Step 6: Final answer
    x = 38,875.40

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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.