Home / 40,161.13-60,334.05-28,342.12

Finding the Fourth Proportional to 40,161.13, 60,334.05 and 28,342.12

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Solution

The fourth proportional to 40,161.13, 60,334.05 and 28,342.12 is: 42,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.13 : 60,334.05 = 28,342.12 : x
  2. Step 2: Convert to fraction form
    40,161.13/60,334.05 = 28,342.12/x
  3. Step 3: Cross multiply
    40,161.13x = 60,334.05 × 28,342.12
  4. Step 4: Simplify right side
    40,161.13x = 1,709,994,885.19
  5. Step 5: Solve for x
    x = 1,709,994,885.19/40,161.13
  6. Step 6: Final answer
    x = 42,578.36

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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.