Home / 57,345.36-86,038.08-22,309.56

Finding the Fourth Proportional to 57,345.36, 86,038.08 and 22,309.56

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Solution

The fourth proportional to 57,345.36, 86,038.08 and 22,309.56 is: 33,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,345.36 : 86,038.08 = 22,309.56 : x
  2. Step 2: Convert to fraction form
    57,345.36/86,038.08 = 22,309.56/x
  3. Step 3: Cross multiply
    57,345.36x = 86,038.08 × 22,309.56
  4. Step 4: Simplify right side
    57,345.36x = 1,919,471,708.04
  5. Step 5: Solve for x
    x = 1,919,471,708.04/57,345.36
  6. Step 6: Final answer
    x = 33,472.14

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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.