Home / 44,010.57-66,019.75-12,420.91

Finding the Fourth Proportional to 44,010.57, 66,019.75 and 12,420.91

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Solution

The fourth proportional to 44,010.57, 66,019.75 and 12,420.91 is: 18,632.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,010.57 : 66,019.75 = 12,420.91 : x
  2. Step 2: Convert to fraction form
    44,010.57/66,019.75 = 12,420.91/x
  3. Step 3: Cross multiply
    44,010.57x = 66,019.75 × 12,420.91
  4. Step 4: Simplify right side
    44,010.57x = 820,025,372.97
  5. Step 5: Solve for x
    x = 820,025,372.97/44,010.57
  6. Step 6: Final answer
    x = 18,632.46

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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.