Home / 29,219.24-40,322.55-15,790.52

Finding the Fourth Proportional to 29,219.24, 40,322.55 and 15,790.52

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Solution

The fourth proportional to 29,219.24, 40,322.55 and 15,790.52 is: 21,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.24 : 40,322.55 = 15,790.52 : x
  2. Step 2: Convert to fraction form
    29,219.24/40,322.55 = 15,790.52/x
  3. Step 3: Cross multiply
    29,219.24x = 40,322.55 × 15,790.52
  4. Step 4: Simplify right side
    29,219.24x = 636,714,032.23
  5. Step 5: Solve for x
    x = 636,714,032.23/29,219.24
  6. Step 6: Final answer
    x = 21,790.92

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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.