Home / 52,452.62-78,678.32-31,398.54

Finding the Fourth Proportional to 52,452.62, 78,678.32 and 31,398.54

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Solution

The fourth proportional to 52,452.62, 78,678.32 and 31,398.54 is: 47,097.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.62 : 78,678.32 = 31,398.54 : x
  2. Step 2: Convert to fraction form
    52,452.62/78,678.32 = 31,398.54/x
  3. Step 3: Cross multiply
    52,452.62x = 78,678.32 × 31,398.54
  4. Step 4: Simplify right side
    52,452.62x = 2,470,384,220.66
  5. Step 5: Solve for x
    x = 2,470,384,220.66/52,452.62
  6. Step 6: Final answer
    x = 47,097.45

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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.