Home / 56,434.80-84,575.40-39,999.60

Finding the Fourth Proportional to 56,434.80, 84,575.40 and 39,999.60

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Solution

The fourth proportional to 56,434.80, 84,575.40 and 39,999.60 is: 59,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,434.80 : 84,575.40 = 39,999.60 : x
  2. Step 2: Convert to fraction form
    56,434.80/84,575.40 = 39,999.60/x
  3. Step 3: Cross multiply
    56,434.80x = 84,575.40 × 39,999.60
  4. Step 4: Simplify right side
    56,434.80x = 3,382,982,169.84
  5. Step 5: Solve for x
    x = 3,382,982,169.84/56,434.80
  6. Step 6: Final answer
    x = 59,944.97

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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.