Home / 57,153.98-85,738.26-17,713.46

Finding the Fourth Proportional to 57,153.98, 85,738.26 and 17,713.46

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Solution

The fourth proportional to 57,153.98, 85,738.26 and 17,713.46 is: 26,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,153.98 : 85,738.26 = 17,713.46 : x
  2. Step 2: Convert to fraction form
    57,153.98/85,738.26 = 17,713.46/x
  3. Step 3: Cross multiply
    57,153.98x = 85,738.26 × 17,713.46
  4. Step 4: Simplify right side
    57,153.98x = 1,518,721,238.98
  5. Step 5: Solve for x
    x = 1,518,721,238.98/57,153.98
  6. Step 6: Final answer
    x = 26,572.45

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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.