Home / 29,420.91-40,601.65-15,993.07

Finding the Fourth Proportional to 29,420.91, 40,601.65 and 15,993.07

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Solution

The fourth proportional to 29,420.91, 40,601.65 and 15,993.07 is: 22,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,420.91 : 40,601.65 = 15,993.07 : x
  2. Step 2: Convert to fraction form
    29,420.91/40,601.65 = 15,993.07/x
  3. Step 3: Cross multiply
    29,420.91x = 40,601.65 × 15,993.07
  4. Step 4: Simplify right side
    29,420.91x = 649,345,030.57
  5. Step 5: Solve for x
    x = 649,345,030.57/29,420.91
  6. Step 6: Final answer
    x = 22,070.87

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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.