Home / 57,301.96-79,081.44-31,810.72

Finding the Fourth Proportional to 57,301.96, 79,081.44 and 31,810.72

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Solution

The fourth proportional to 57,301.96, 79,081.44 and 31,810.72 is: 43,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,301.96 : 79,081.44 = 31,810.72 : x
  2. Step 2: Convert to fraction form
    57,301.96/79,081.44 = 31,810.72/x
  3. Step 3: Cross multiply
    57,301.96x = 79,081.44 × 31,810.72
  4. Step 4: Simplify right side
    57,301.96x = 2,515,637,545.04
  5. Step 5: Solve for x
    x = 2,515,637,545.04/57,301.96
  6. Step 6: Final answer
    x = 43,901.42

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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.