Home / 22,949.42-31,670.45-12,741.14

Finding the Fourth Proportional to 22,949.42, 31,670.45 and 12,741.14

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Solution

The fourth proportional to 22,949.42, 31,670.45 and 12,741.14 is: 17,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,949.42 : 31,670.45 = 12,741.14 : x
  2. Step 2: Convert to fraction form
    22,949.42/31,670.45 = 12,741.14/x
  3. Step 3: Cross multiply
    22,949.42x = 31,670.45 × 12,741.14
  4. Step 4: Simplify right side
    22,949.42x = 403,517,415.26
  5. Step 5: Solve for x
    x = 403,517,415.26/22,949.42
  6. Step 6: Final answer
    x = 17,582.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.