Home / 56,756.20-85,138.14-17,316.84

Finding the Fourth Proportional to 56,756.20, 85,138.14 and 17,316.84

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Solution

The fourth proportional to 56,756.20, 85,138.14 and 17,316.84 is: 25,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.20 : 85,138.14 = 17,316.84 : x
  2. Step 2: Convert to fraction form
    56,756.20/85,138.14 = 17,316.84/x
  3. Step 3: Cross multiply
    56,756.20x = 85,138.14 × 17,316.84
  4. Step 4: Simplify right side
    56,756.20x = 1,474,323,548.28
  5. Step 5: Solve for x
    x = 1,474,323,548.28/56,756.20
  6. Step 6: Final answer
    x = 25,976.43

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1.5x scale

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.