Home / 61,140.72-84,379.20-35,995.20

Finding the Fourth Proportional to 61,140.72, 84,379.20 and 35,995.20

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Solution

The fourth proportional to 61,140.72, 84,379.20 and 35,995.20 is: 49,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.72 : 84,379.20 = 35,995.20 : x
  2. Step 2: Convert to fraction form
    61,140.72/84,379.20 = 35,995.20/x
  3. Step 3: Cross multiply
    61,140.72x = 84,379.20 × 35,995.20
  4. Step 4: Simplify right side
    61,140.72x = 3,037,246,179.84
  5. Step 5: Solve for x
    x = 3,037,246,179.84/61,140.72
  6. Step 6: Final answer
    x = 49,676.32

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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.