Home / 45,243.65-67,856.57-15,254.97

Finding the Fourth Proportional to 45,243.65, 67,856.57 and 15,254.97

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Solution

The fourth proportional to 45,243.65, 67,856.57 and 15,254.97 is: 22,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.65 : 67,856.57 = 15,254.97 : x
  2. Step 2: Convert to fraction form
    45,243.65/67,856.57 = 15,254.97/x
  3. Step 3: Cross multiply
    45,243.65x = 67,856.57 × 15,254.97
  4. Step 4: Simplify right side
    45,243.65x = 1,035,149,939.65
  5. Step 5: Solve for x
    x = 1,035,149,939.65/45,243.65
  6. Step 6: Final answer
    x = 22,879.45

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1.5x scale

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.