Home / 42,887.44-64,329.18-11,722.60

Finding the Fourth Proportional to 42,887.44, 64,329.18 and 11,722.60

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Solution

The fourth proportional to 42,887.44, 64,329.18 and 11,722.60 is: 17,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,887.44 : 64,329.18 = 11,722.60 : x
  2. Step 2: Convert to fraction form
    42,887.44/64,329.18 = 11,722.60/x
  3. Step 3: Cross multiply
    42,887.44x = 64,329.18 × 11,722.60
  4. Step 4: Simplify right side
    42,887.44x = 754,105,245.47
  5. Step 5: Solve for x
    x = 754,105,245.47/42,887.44
  6. Step 6: Final answer
    x = 17,583.36

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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.