Home / 44,064.96-66,118.08-20,688

Finding the Fourth Proportional to 44,064.96, 66,118.08 and 20,688

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Solution

The fourth proportional to 44,064.96, 66,118.08 and 20,688 is: 31,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,064.96 : 66,118.08 = 20,688 : x
  2. Step 2: Convert to fraction form
    44,064.96/66,118.08 = 20,688/x
  3. Step 3: Cross multiply
    44,064.96x = 66,118.08 × 20,688
  4. Step 4: Simplify right side
    44,064.96x = 1,367,850,839.04
  5. Step 5: Solve for x
    x = 1,367,850,839.04/44,064.96
  6. Step 6: Final answer
    x = 31,041.69

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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.