Home / 40,502.13-60,756.36-10,919.51

Finding the Fourth Proportional to 40,502.13, 60,756.36 and 10,919.51

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Solution

The fourth proportional to 40,502.13, 60,756.36 and 10,919.51 is: 16,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,502.13 : 60,756.36 = 10,919.51 : x
  2. Step 2: Convert to fraction form
    40,502.13/60,756.36 = 10,919.51/x
  3. Step 3: Cross multiply
    40,502.13x = 60,756.36 × 10,919.51
  4. Step 4: Simplify right side
    40,502.13x = 663,429,680.58
  5. Step 5: Solve for x
    x = 663,429,680.58/40,502.13
  6. Step 6: Final answer
    x = 16,380.12

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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.