Home / 52,210.17-78,324.18-20,603.73

Finding the Fourth Proportional to 52,210.17, 78,324.18 and 20,603.73

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Solution

The fourth proportional to 52,210.17, 78,324.18 and 20,603.73 is: 30,909.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,210.17 : 78,324.18 = 20,603.73 : x
  2. Step 2: Convert to fraction form
    52,210.17/78,324.18 = 20,603.73/x
  3. Step 3: Cross multiply
    52,210.17x = 78,324.18 × 20,603.73
  4. Step 4: Simplify right side
    52,210.17x = 1,613,770,257.19
  5. Step 5: Solve for x
    x = 1,613,770,257.19/52,210.17
  6. Step 6: Final answer
    x = 30,909.12

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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.