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Finding the Fourth Proportional to 34,981.74, 48,274.25 and 19,066.32

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Solution

The fourth proportional to 34,981.74, 48,274.25 and 19,066.32 is: 26,311.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,981.74 : 48,274.25 = 19,066.32 : x
  2. Step 2: Convert to fraction form
    34,981.74/48,274.25 = 19,066.32/x
  3. Step 3: Cross multiply
    34,981.74x = 48,274.25 × 19,066.32
  4. Step 4: Simplify right side
    34,981.74x = 920,412,202.93
  5. Step 5: Solve for x
    x = 920,412,202.93/34,981.74
  6. Step 6: Final answer
    x = 26,311.22

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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.