Home / 40,018.32-60,026.80-11,938.46

Finding the Fourth Proportional to 40,018.32, 60,026.80 and 11,938.46

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Solution

The fourth proportional to 40,018.32, 60,026.80 and 11,938.46 is: 17,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.32 : 60,026.80 = 11,938.46 : x
  2. Step 2: Convert to fraction form
    40,018.32/60,026.80 = 11,938.46/x
  3. Step 3: Cross multiply
    40,018.32x = 60,026.80 × 11,938.46
  4. Step 4: Simplify right side
    40,018.32x = 716,627,550.73
  5. Step 5: Solve for x
    x = 716,627,550.73/40,018.32
  6. Step 6: Final answer
    x = 17,907.49

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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.