Home / 44,010.90-66,020.32-12,421.31

Finding the Fourth Proportional to 44,010.90, 66,020.32 and 12,421.31

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Solution

The fourth proportional to 44,010.90, 66,020.32 and 12,421.31 is: 18,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,010.90 : 66,020.32 = 12,421.31 : x
  2. Step 2: Convert to fraction form
    44,010.90/66,020.32 = 12,421.31/x
  3. Step 3: Cross multiply
    44,010.90x = 66,020.32 × 12,421.31
  4. Step 4: Simplify right side
    44,010.90x = 820,058,562.30
  5. Step 5: Solve for x
    x = 820,058,562.30/44,010.90
  6. Step 6: Final answer
    x = 18,633.08

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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.