Home / 35,818.96-53,718.72-12,432.64

Finding the Fourth Proportional to 35,818.96, 53,718.72 and 12,432.64

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Solution

The fourth proportional to 35,818.96, 53,718.72 and 12,432.64 is: 18,645.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.96 : 53,718.72 = 12,432.64 : x
  2. Step 2: Convert to fraction form
    35,818.96/53,718.72 = 12,432.64/x
  3. Step 3: Cross multiply
    35,818.96x = 53,718.72 × 12,432.64
  4. Step 4: Simplify right side
    35,818.96x = 667,865,507.02
  5. Step 5: Solve for x
    x = 667,865,507.02/35,818.96
  6. Step 6: Final answer
    x = 18,645.59

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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.