Home / 38,431.18-57,264.74-34,238.98

Finding the Fourth Proportional to 38,431.18, 57,264.74 and 34,238.98

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Solution

The fourth proportional to 38,431.18, 57,264.74 and 34,238.98 is: 51,018.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.18 : 57,264.74 = 34,238.98 : x
  2. Step 2: Convert to fraction form
    38,431.18/57,264.74 = 34,238.98/x
  3. Step 3: Cross multiply
    38,431.18x = 57,264.74 × 34,238.98
  4. Step 4: Simplify right side
    38,431.18x = 1,960,686,287.57
  5. Step 5: Solve for x
    x = 1,960,686,287.57/38,431.18
  6. Step 6: Final answer
    x = 51,018.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.