Home / 40,045.16-60,066.93-11,965.30

Finding the Fourth Proportional to 40,045.16, 60,066.93 and 11,965.30

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Solution

The fourth proportional to 40,045.16, 60,066.93 and 11,965.30 is: 17,947.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,045.16 : 60,066.93 = 11,965.30 : x
  2. Step 2: Convert to fraction form
    40,045.16/60,066.93 = 11,965.30/x
  3. Step 3: Cross multiply
    40,045.16x = 60,066.93 × 11,965.30
  4. Step 4: Simplify right side
    40,045.16x = 718,718,837.53
  5. Step 5: Solve for x
    x = 718,718,837.53/40,045.16
  6. Step 6: Final answer
    x = 17,947.71

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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.