Home / 39,741.72-59,621.22-12,039

Finding the Fourth Proportional to 39,741.72, 59,621.22 and 12,039

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Solution

The fourth proportional to 39,741.72, 59,621.22 and 12,039 is: 18,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,741.72 : 59,621.22 = 12,039 : x
  2. Step 2: Convert to fraction form
    39,741.72/59,621.22 = 12,039/x
  3. Step 3: Cross multiply
    39,741.72x = 59,621.22 × 12,039
  4. Step 4: Simplify right side
    39,741.72x = 717,779,867.58
  5. Step 5: Solve for x
    x = 717,779,867.58/39,741.72
  6. Step 6: Final answer
    x = 18,061.12

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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.