Home / 57,306.63-85,961.13-17,864.07

Finding the Fourth Proportional to 57,306.63, 85,961.13 and 17,864.07

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Solution

The fourth proportional to 57,306.63, 85,961.13 and 17,864.07 is: 26,796.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.63 : 85,961.13 = 17,864.07 : x
  2. Step 2: Convert to fraction form
    57,306.63/85,961.13 = 17,864.07/x
  3. Step 3: Cross multiply
    57,306.63x = 85,961.13 × 17,864.07
  4. Step 4: Simplify right side
    57,306.63x = 1,535,615,643.60
  5. Step 5: Solve for x
    x = 1,535,615,643.60/57,306.63
  6. Step 6: Final answer
    x = 26,796.47

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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.