Home / 29,305.32-40,441.02-15,876.24

Finding the Fourth Proportional to 29,305.32, 40,441.02 and 15,876.24

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Solution

The fourth proportional to 29,305.32, 40,441.02 and 15,876.24 is: 21,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.32 : 40,441.02 = 15,876.24 : x
  2. Step 2: Convert to fraction form
    29,305.32/40,441.02 = 15,876.24/x
  3. Step 3: Cross multiply
    29,305.32x = 40,441.02 × 15,876.24
  4. Step 4: Simplify right side
    29,305.32x = 642,051,339.36
  5. Step 5: Solve for x
    x = 642,051,339.36/29,305.32
  6. Step 6: Final answer
    x = 21,909.04

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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.