Home / 38,431.12-57,264.64-34,238.92

Finding the Fourth Proportional to 38,431.12, 57,264.64 and 34,238.92

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Solution

The fourth proportional to 38,431.12, 57,264.64 and 34,238.92 is: 51,018.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.12 : 57,264.64 = 34,238.92 : x
  2. Step 2: Convert to fraction form
    38,431.12/57,264.64 = 34,238.92/x
  3. Step 3: Cross multiply
    38,431.12x = 57,264.64 × 34,238.92
  4. Step 4: Simplify right side
    38,431.12x = 1,960,679,427.79
  5. Step 5: Solve for x
    x = 1,960,679,427.79/38,431.12
  6. Step 6: Final answer
    x = 51,018.01

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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.