Home / 70,590.24-105,817.68-26,205.12

Finding the Fourth Proportional to 70,590.24, 105,817.68 and 26,205.12

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Solution

The fourth proportional to 70,590.24, 105,817.68 and 26,205.12 is: 39,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.24 : 105,817.68 = 26,205.12 : x
  2. Step 2: Convert to fraction form
    70,590.24/105,817.68 = 26,205.12/x
  3. Step 3: Cross multiply
    70,590.24x = 105,817.68 × 26,205.12
  4. Step 4: Simplify right side
    70,590.24x = 2,772,965,002.52
  5. Step 5: Solve for x
    x = 2,772,965,002.52/70,590.24
  6. Step 6: Final answer
    x = 39,282.56

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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.