Home / 29,512.32-40,687.20-28,595.04

Finding the Fourth Proportional to 29,512.32, 40,687.20 and 28,595.04

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Solution

The fourth proportional to 29,512.32, 40,687.20 and 28,595.04 is: 39,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,512.32 : 40,687.20 = 28,595.04 : x
  2. Step 2: Convert to fraction form
    29,512.32/40,687.20 = 28,595.04/x
  3. Step 3: Cross multiply
    29,512.32x = 40,687.20 × 28,595.04
  4. Step 4: Simplify right side
    29,512.32x = 1,163,452,111.49
  5. Step 5: Solve for x
    x = 1,163,452,111.49/29,512.32
  6. Step 6: Final answer
    x = 39,422.59

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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.