Home / 61,108.80-84,328.74-35,613.54

Finding the Fourth Proportional to 61,108.80, 84,328.74 and 35,613.54

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Solution

The fourth proportional to 61,108.80, 84,328.74 and 35,613.54 is: 49,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.80 : 84,328.74 = 35,613.54 : x
  2. Step 2: Convert to fraction form
    61,108.80/84,328.74 = 35,613.54/x
  3. Step 3: Cross multiply
    61,108.80x = 84,328.74 × 35,613.54
  4. Step 4: Simplify right side
    61,108.80x = 3,003,244,955.14
  5. Step 5: Solve for x
    x = 3,003,244,955.14/61,108.80
  6. Step 6: Final answer
    x = 49,145.87

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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.