Home / 40,419.09-60,604.71-13,755.45

Finding the Fourth Proportional to 40,419.09, 60,604.71 and 13,755.45

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Solution

The fourth proportional to 40,419.09, 60,604.71 and 13,755.45 is: 20,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,419.09 : 60,604.71 = 13,755.45 : x
  2. Step 2: Convert to fraction form
    40,419.09/60,604.71 = 13,755.45/x
  3. Step 3: Cross multiply
    40,419.09x = 60,604.71 × 13,755.45
  4. Step 4: Simplify right side
    40,419.09x = 833,645,058.17
  5. Step 5: Solve for x
    x = 833,645,058.17/40,419.09
  6. Step 6: Final answer
    x = 20,625.03

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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.