Home / 61,311.36-84,612.16-34,453.78

Finding the Fourth Proportional to 61,311.36, 84,612.16 and 34,453.78

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Solution

The fourth proportional to 61,311.36, 84,612.16 and 34,453.78 is: 47,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,311.36 : 84,612.16 = 34,453.78 : x
  2. Step 2: Convert to fraction form
    61,311.36/84,612.16 = 34,453.78/x
  3. Step 3: Cross multiply
    61,311.36x = 84,612.16 × 34,453.78
  4. Step 4: Simplify right side
    61,311.36x = 2,915,208,745.96
  5. Step 5: Solve for x
    x = 2,915,208,745.96/61,311.36
  6. Step 6: Final answer
    x = 47,547.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.