Home / 52,456.16-78,590.95-30,223.61

Finding the Fourth Proportional to 52,456.16, 78,590.95 and 30,223.61

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Solution

The fourth proportional to 52,456.16, 78,590.95 and 30,223.61 is: 45,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,456.16 : 78,590.95 = 30,223.61 : x
  2. Step 2: Convert to fraction form
    52,456.16/78,590.95 = 30,223.61/x
  3. Step 3: Cross multiply
    52,456.16x = 78,590.95 × 30,223.61
  4. Step 4: Simplify right side
    52,456.16x = 2,375,302,222.33
  5. Step 5: Solve for x
    x = 2,375,302,222.33/52,456.16
  6. Step 6: Final answer
    x = 45,281.66

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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.