Home / 57,330.90-79,121.61-31,842.18

Finding the Fourth Proportional to 57,330.90, 79,121.61 and 31,842.18

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Solution

The fourth proportional to 57,330.90, 79,121.61 and 31,842.18 is: 43,944.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,330.90 : 79,121.61 = 31,842.18 : x
  2. Step 2: Convert to fraction form
    57,330.90/79,121.61 = 31,842.18/x
  3. Step 3: Cross multiply
    57,330.90x = 79,121.61 × 31,842.18
  4. Step 4: Simplify right side
    57,330.90x = 2,519,404,547.51
  5. Step 5: Solve for x
    x = 2,519,404,547.51/57,330.90
  6. Step 6: Final answer
    x = 43,944.97

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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.