Home / 40,412.84-55,769.78-23,420.36

Finding the Fourth Proportional to 40,412.84, 55,769.78 and 23,420.36

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Solution

The fourth proportional to 40,412.84, 55,769.78 and 23,420.36 is: 32,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,412.84 : 55,769.78 = 23,420.36 : x
  2. Step 2: Convert to fraction form
    40,412.84/55,769.78 = 23,420.36/x
  3. Step 3: Cross multiply
    40,412.84x = 55,769.78 × 23,420.36
  4. Step 4: Simplify right side
    40,412.84x = 1,306,148,104.42
  5. Step 5: Solve for x
    x = 1,306,148,104.42/40,412.84
  6. Step 6: Final answer
    x = 32,320.13

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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.