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Finding the Fourth Proportional to 35,434, 48,898.92 and 19,518.40

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Solution

The fourth proportional to 35,434, 48,898.92 and 19,518.40 is: 26,935.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,434 : 48,898.92 = 19,518.40 : x
  2. Step 2: Convert to fraction form
    35,434/48,898.92 = 19,518.40/x
  3. Step 3: Cross multiply
    35,434x = 48,898.92 × 19,518.40
  4. Step 4: Simplify right side
    35,434x = 954,428,680.13
  5. Step 5: Solve for x
    x = 954,428,680.13/35,434
  6. Step 6: Final answer
    x = 26,935.39

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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.