Home / 29,557.17-40,777.43-18,952.65

Finding the Fourth Proportional to 29,557.17, 40,777.43 and 18,952.65

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Solution

The fourth proportional to 29,557.17, 40,777.43 and 18,952.65 is: 26,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,557.17 : 40,777.43 = 18,952.65 : x
  2. Step 2: Convert to fraction form
    29,557.17/40,777.43 = 18,952.65/x
  3. Step 3: Cross multiply
    29,557.17x = 40,777.43 × 18,952.65
  4. Step 4: Simplify right side
    29,557.17x = 772,840,263.93
  5. Step 5: Solve for x
    x = 772,840,263.93/29,557.17
  6. Step 6: Final answer
    x = 26,147.30

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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.