Home / 40,412.33-55,769-23,426.43

Finding the Fourth Proportional to 40,412.33, 55,769 and 23,426.43

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Solution

The fourth proportional to 40,412.33, 55,769 and 23,426.43 is: 32,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.33 : 55,769 = 23,426.43 : x
  2. Step 2: Convert to fraction form
    40,412.33/55,769 = 23,426.43/x
  3. Step 3: Cross multiply
    40,412.33x = 55,769 × 23,426.43
  4. Step 4: Simplify right side
    40,412.33x = 1,306,468,574.67
  5. Step 5: Solve for x
    x = 1,306,468,574.67/40,412.33
  6. Step 6: Final answer
    x = 32,328.46

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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.