Home / 57,999.88-87,034.38-21,066.76

Finding the Fourth Proportional to 57,999.88, 87,034.38 and 21,066.76

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Solution

The fourth proportional to 57,999.88, 87,034.38 and 21,066.76 is: 31,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,999.88 : 87,034.38 = 21,066.76 : x
  2. Step 2: Convert to fraction form
    57,999.88/87,034.38 = 21,066.76/x
  3. Step 3: Cross multiply
    57,999.88x = 87,034.38 × 21,066.76
  4. Step 4: Simplify right side
    57,999.88x = 1,833,532,395.21
  5. Step 5: Solve for x
    x = 1,833,532,395.21/57,999.88
  6. Step 6: Final answer
    x = 31,612.69

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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.