Home / 45,288.92-67,870.10-38,590.44

Finding the Fourth Proportional to 45,288.92, 67,870.10 and 38,590.44

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Solution

The fourth proportional to 45,288.92, 67,870.10 and 38,590.44 is: 57,831.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.92 : 67,870.10 = 38,590.44 : x
  2. Step 2: Convert to fraction form
    45,288.92/67,870.10 = 38,590.44/x
  3. Step 3: Cross multiply
    45,288.92x = 67,870.10 × 38,590.44
  4. Step 4: Simplify right side
    45,288.92x = 2,619,137,021.84
  5. Step 5: Solve for x
    x = 2,619,137,021.84/45,288.92
  6. Step 6: Final answer
    x = 57,831.74

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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.