Home / 29,271.18-40,394.22-15,842.46

Finding the Fourth Proportional to 29,271.18, 40,394.22 and 15,842.46

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Solution

The fourth proportional to 29,271.18, 40,394.22 and 15,842.46 is: 21,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.18 : 40,394.22 = 15,842.46 : x
  2. Step 2: Convert to fraction form
    29,271.18/40,394.22 = 15,842.46/x
  3. Step 3: Cross multiply
    29,271.18x = 40,394.22 × 15,842.46
  4. Step 4: Simplify right side
    29,271.18x = 639,943,814.58
  5. Step 5: Solve for x
    x = 639,943,814.58/29,271.18
  6. Step 6: Final answer
    x = 21,862.59

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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.