Home / 52,380.32-72,283.45-28,506.48

Finding the Fourth Proportional to 52,380.32, 72,283.45 and 28,506.48

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Solution

The fourth proportional to 52,380.32, 72,283.45 and 28,506.48 is: 39,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.32 : 72,283.45 = 28,506.48 : x
  2. Step 2: Convert to fraction form
    52,380.32/72,283.45 = 28,506.48/x
  3. Step 3: Cross multiply
    52,380.32x = 72,283.45 × 28,506.48
  4. Step 4: Simplify right side
    52,380.32x = 2,060,546,217.81
  5. Step 5: Solve for x
    x = 2,060,546,217.81/52,380.32
  6. Step 6: Final answer
    x = 39,338.18

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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.