Home / 29,420.66-40,601.30-15,992.82

Finding the Fourth Proportional to 29,420.66, 40,601.30 and 15,992.82

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Solution

The fourth proportional to 29,420.66, 40,601.30 and 15,992.82 is: 22,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.66 : 40,601.30 = 15,992.82 : x
  2. Step 2: Convert to fraction form
    29,420.66/40,601.30 = 15,992.82/x
  3. Step 3: Cross multiply
    29,420.66x = 40,601.30 × 15,992.82
  4. Step 4: Simplify right side
    29,420.66x = 649,329,322.65
  5. Step 5: Solve for x
    x = 649,329,322.65/29,420.66
  6. Step 6: Final answer
    x = 22,070.52

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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.