Home / 29,614.93-40,840.33-19,390.71

Finding the Fourth Proportional to 29,614.93, 40,840.33 and 19,390.71

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Solution

The fourth proportional to 29,614.93, 40,840.33 and 19,390.71 is: 26,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,614.93 : 40,840.33 = 19,390.71 : x
  2. Step 2: Convert to fraction form
    29,614.93/40,840.33 = 19,390.71/x
  3. Step 3: Cross multiply
    29,614.93x = 40,840.33 × 19,390.71
  4. Step 4: Simplify right side
    29,614.93x = 791,922,694.18
  5. Step 5: Solve for x
    x = 791,922,694.18/29,614.93
  6. Step 6: Final answer
    x = 26,740.66

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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.