Home / 57,319.36-85,976.74-29,238.81

Finding the Fourth Proportional to 57,319.36, 85,976.74 and 29,238.81

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Solution

The fourth proportional to 57,319.36, 85,976.74 and 29,238.81 is: 43,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.36 : 85,976.74 = 29,238.81 : x
  2. Step 2: Convert to fraction form
    57,319.36/85,976.74 = 29,238.81/x
  3. Step 3: Cross multiply
    57,319.36x = 85,976.74 × 29,238.81
  4. Step 4: Simplify right side
    57,319.36x = 2,513,857,279.42
  5. Step 5: Solve for x
    x = 2,513,857,279.42/57,319.36
  6. Step 6: Final answer
    x = 43,857.03

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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.