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Finding the Fourth Proportional to 35,389.63, 48,837.71 and 19,474.10

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Solution

The fourth proportional to 35,389.63, 48,837.71 and 19,474.10 is: 26,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,389.63 : 48,837.71 = 19,474.10 : x
  2. Step 2: Convert to fraction form
    35,389.63/48,837.71 = 19,474.10/x
  3. Step 3: Cross multiply
    35,389.63x = 48,837.71 × 19,474.10
  4. Step 4: Simplify right side
    35,389.63x = 951,070,243.82
  5. Step 5: Solve for x
    x = 951,070,243.82/35,389.63
  6. Step 6: Final answer
    x = 26,874.26

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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.