Home / 43,062.13-64,565.42-20,560.64

Finding the Fourth Proportional to 43,062.13, 64,565.42 and 20,560.64

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Solution

The fourth proportional to 43,062.13, 64,565.42 and 20,560.64 is: 30,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.13 : 64,565.42 = 20,560.64 : x
  2. Step 2: Convert to fraction form
    43,062.13/64,565.42 = 20,560.64/x
  3. Step 3: Cross multiply
    43,062.13x = 64,565.42 × 20,560.64
  4. Step 4: Simplify right side
    43,062.13x = 1,327,506,085.64
  5. Step 5: Solve for x
    x = 1,327,506,085.64/43,062.13
  6. Step 6: Final answer
    x = 30,827.69

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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.