Home / 43,115.15-64,672.58-13,535.19

Finding the Fourth Proportional to 43,115.15, 64,672.58 and 13,535.19

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Solution

The fourth proportional to 43,115.15, 64,672.58 and 13,535.19 is: 20,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,115.15 : 64,672.58 = 13,535.19 : x
  2. Step 2: Convert to fraction form
    43,115.15/64,672.58 = 13,535.19/x
  3. Step 3: Cross multiply
    43,115.15x = 64,672.58 × 13,535.19
  4. Step 4: Simplify right side
    43,115.15x = 875,355,691.93
  5. Step 5: Solve for x
    x = 875,355,691.93/43,115.15
  6. Step 6: Final answer
    x = 20,302.74

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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.