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Finding the Fourth Proportional to 35,312.14, 48,731.04 and 19,396.94

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Solution

The fourth proportional to 35,312.14, 48,731.04 and 19,396.94 is: 26,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,312.14 : 48,731.04 = 19,396.94 : x
  2. Step 2: Convert to fraction form
    35,312.14/48,731.04 = 19,396.94/x
  3. Step 3: Cross multiply
    35,312.14x = 48,731.04 × 19,396.94
  4. Step 4: Simplify right side
    35,312.14x = 945,233,180.85
  5. Step 5: Solve for x
    x = 945,233,180.85/35,312.14
  6. Step 6: Final answer
    x = 26,767.94

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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.