Home / 56,909.56-85,364.34-15,356.56

Finding the Fourth Proportional to 56,909.56, 85,364.34 and 15,356.56

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Solution

The fourth proportional to 56,909.56, 85,364.34 and 15,356.56 is: 23,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.56 : 85,364.34 = 15,356.56 : x
  2. Step 2: Convert to fraction form
    56,909.56/85,364.34 = 15,356.56/x
  3. Step 3: Cross multiply
    56,909.56x = 85,364.34 × 15,356.56
  4. Step 4: Simplify right side
    56,909.56x = 1,310,902,609.07
  5. Step 5: Solve for x
    x = 1,310,902,609.07/56,909.56
  6. Step 6: Final answer
    x = 23,034.84

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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.