Home / 38,271.45-57,399.89-18,541.11

Finding the Fourth Proportional to 38,271.45, 57,399.89 and 18,541.11

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Solution

The fourth proportional to 38,271.45, 57,399.89 and 18,541.11 is: 27,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,271.45 : 57,399.89 = 18,541.11 : x
  2. Step 2: Convert to fraction form
    38,271.45/57,399.89 = 18,541.11/x
  3. Step 3: Cross multiply
    38,271.45x = 57,399.89 × 18,541.11
  4. Step 4: Simplify right side
    38,271.45x = 1,064,257,581.77
  5. Step 5: Solve for x
    x = 1,064,257,581.77/38,271.45
  6. Step 6: Final answer
    x = 27,808.13

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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.