Home / 56,989.74-85,481.36-15,433.50

Finding the Fourth Proportional to 56,989.74, 85,481.36 and 15,433.50

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Solution

The fourth proportional to 56,989.74, 85,481.36 and 15,433.50 is: 23,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,989.74 : 85,481.36 = 15,433.50 : x
  2. Step 2: Convert to fraction form
    56,989.74/85,481.36 = 15,433.50/x
  3. Step 3: Cross multiply
    56,989.74x = 85,481.36 × 15,433.50
  4. Step 4: Simplify right side
    56,989.74x = 1,319,276,569.56
  5. Step 5: Solve for x
    x = 1,319,276,569.56/56,989.74
  6. Step 6: Final answer
    x = 23,149.37

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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.