Home / 54,013.65-81,020.55-14,570.81

Finding the Fourth Proportional to 54,013.65, 81,020.55 and 14,570.81

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Solution

The fourth proportional to 54,013.65, 81,020.55 and 14,570.81 is: 21,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.65 : 81,020.55 = 14,570.81 : x
  2. Step 2: Convert to fraction form
    54,013.65/81,020.55 = 14,570.81/x
  3. Step 3: Cross multiply
    54,013.65x = 81,020.55 × 14,570.81
  4. Step 4: Simplify right side
    54,013.65x = 1,180,534,635.04
  5. Step 5: Solve for x
    x = 1,180,534,635.04/54,013.65
  6. Step 6: Final answer
    x = 21,856.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.