Home / 54,022.81-74,555.22-30,154.15

Finding the Fourth Proportional to 54,022.81, 74,555.22 and 30,154.15

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Solution

The fourth proportional to 54,022.81, 74,555.22 and 30,154.15 is: 41,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.81 : 74,555.22 = 30,154.15 : x
  2. Step 2: Convert to fraction form
    54,022.81/74,555.22 = 30,154.15/x
  3. Step 3: Cross multiply
    54,022.81x = 74,555.22 × 30,154.15
  4. Step 4: Simplify right side
    54,022.81x = 2,248,149,287.16
  5. Step 5: Solve for x
    x = 2,248,149,287.16/54,022.81
  6. Step 6: Final answer
    x = 41,614.82

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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.