Home / 54,220.42-74,807.13-30,343.30

Finding the Fourth Proportional to 54,220.42, 74,807.13 and 30,343.30

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Solution

The fourth proportional to 54,220.42, 74,807.13 and 30,343.30 is: 41,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,220.42 : 74,807.13 = 30,343.30 : x
  2. Step 2: Convert to fraction form
    54,220.42/74,807.13 = 30,343.30/x
  3. Step 3: Cross multiply
    54,220.42x = 74,807.13 × 30,343.30
  4. Step 4: Simplify right side
    54,220.42x = 2,269,895,187.73
  5. Step 5: Solve for x
    x = 2,269,895,187.73/54,220.42
  6. Step 6: Final answer
    x = 41,864.21

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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.