Home / 42,889.44-64,332.12-11,724.60

Finding the Fourth Proportional to 42,889.44, 64,332.12 and 11,724.60

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Solution

The fourth proportional to 42,889.44, 64,332.12 and 11,724.60 is: 17,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,889.44 : 64,332.12 = 11,724.60 : x
  2. Step 2: Convert to fraction form
    42,889.44/64,332.12 = 11,724.60/x
  3. Step 3: Cross multiply
    42,889.44x = 64,332.12 × 11,724.60
  4. Step 4: Simplify right side
    42,889.44x = 754,268,374.15
  5. Step 5: Solve for x
    x = 754,268,374.15/42,889.44
  6. Step 6: Final answer
    x = 17,586.34

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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.