Home / 38,031.48-57,022.92-18,270.72

Finding the Fourth Proportional to 38,031.48, 57,022.92 and 18,270.72

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Solution

The fourth proportional to 38,031.48, 57,022.92 and 18,270.72 is: 27,394.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.48 : 57,022.92 = 18,270.72 : x
  2. Step 2: Convert to fraction form
    38,031.48/57,022.92 = 18,270.72/x
  3. Step 3: Cross multiply
    38,031.48x = 57,022.92 × 18,270.72
  4. Step 4: Simplify right side
    38,031.48x = 1,041,849,804.90
  5. Step 5: Solve for x
    x = 1,041,849,804.90/38,031.48
  6. Step 6: Final answer
    x = 27,394.41

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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.