Home / 52,821.32-72,893.66-28,948.20

Finding the Fourth Proportional to 52,821.32, 72,893.66 and 28,948.20

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Solution

The fourth proportional to 52,821.32, 72,893.66 and 28,948.20 is: 39,948.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,821.32 : 72,893.66 = 28,948.20 : x
  2. Step 2: Convert to fraction form
    52,821.32/72,893.66 = 28,948.20/x
  3. Step 3: Cross multiply
    52,821.32x = 72,893.66 × 28,948.20
  4. Step 4: Simplify right side
    52,821.32x = 2,110,140,248.41
  5. Step 5: Solve for x
    x = 2,110,140,248.41/52,821.32
  6. Step 6: Final answer
    x = 39,948.65

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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.