Home / 54,389.81-81,586.91-25,912.13

Finding the Fourth Proportional to 54,389.81, 81,586.91 and 25,912.13

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Solution

The fourth proportional to 54,389.81, 81,586.91 and 25,912.13 is: 38,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,389.81 : 81,586.91 = 25,912.13 : x
  2. Step 2: Convert to fraction form
    54,389.81/81,586.91 = 25,912.13/x
  3. Step 3: Cross multiply
    54,389.81x = 81,586.91 × 25,912.13
  4. Step 4: Simplify right side
    54,389.81x = 2,114,090,275.06
  5. Step 5: Solve for x
    x = 2,114,090,275.06/54,389.81
  6. Step 6: Final answer
    x = 38,869.23

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1.5x scale

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.