Home / 41,678.40-57,521.34-31,049.58

Finding the Fourth Proportional to 41,678.40, 57,521.34 and 31,049.58

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Solution

The fourth proportional to 41,678.40, 57,521.34 and 31,049.58 is: 42,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,678.40 : 57,521.34 = 31,049.58 : x
  2. Step 2: Convert to fraction form
    41,678.40/57,521.34 = 31,049.58/x
  3. Step 3: Cross multiply
    41,678.40x = 57,521.34 × 31,049.58
  4. Step 4: Simplify right side
    41,678.40x = 1,786,013,448.04
  5. Step 5: Solve for x
    x = 1,786,013,448.04/41,678.40
  6. Step 6: Final answer
    x = 42,852.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.