Home / 52,083.24-78,118.66-13,612.20

Finding the Fourth Proportional to 52,083.24, 78,118.66 and 13,612.20

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Solution

The fourth proportional to 52,083.24, 78,118.66 and 13,612.20 is: 20,416.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,083.24 : 78,118.66 = 13,612.20 : x
  2. Step 2: Convert to fraction form
    52,083.24/78,118.66 = 13,612.20/x
  3. Step 3: Cross multiply
    52,083.24x = 78,118.66 × 13,612.20
  4. Step 4: Simplify right side
    52,083.24x = 1,063,366,823.65
  5. Step 5: Solve for x
    x = 1,063,366,823.65/52,083.24
  6. Step 6: Final answer
    x = 20,416.68

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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.