Home / 61,164.08-84,393.60-39,974.48

Finding the Fourth Proportional to 61,164.08, 84,393.60 and 39,974.48

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Solution

The fourth proportional to 61,164.08, 84,393.60 and 39,974.48 is: 55,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164.08 : 84,393.60 = 39,974.48 : x
  2. Step 2: Convert to fraction form
    61,164.08/84,393.60 = 39,974.48/x
  3. Step 3: Cross multiply
    61,164.08x = 84,393.60 × 39,974.48
  4. Step 4: Simplify right side
    61,164.08x = 3,373,590,275.33
  5. Step 5: Solve for x
    x = 3,373,590,275.33/61,164.08
  6. Step 6: Final answer
    x = 55,156.40

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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.