Home / 45,328.26-67,923.15-19,018.65

Finding the Fourth Proportional to 45,328.26, 67,923.15 and 19,018.65

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Solution

The fourth proportional to 45,328.26, 67,923.15 and 19,018.65 is: 28,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,328.26 : 67,923.15 = 19,018.65 : x
  2. Step 2: Convert to fraction form
    45,328.26/67,923.15 = 19,018.65/x
  3. Step 3: Cross multiply
    45,328.26x = 67,923.15 × 19,018.65
  4. Step 4: Simplify right side
    45,328.26x = 1,291,806,616.75
  5. Step 5: Solve for x
    x = 1,291,806,616.75/45,328.26
  6. Step 6: Final answer
    x = 28,498.92

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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.