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Finding the Fourth Proportional to 34,473.91, 47,574.04 and 19,366.57

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Solution

The fourth proportional to 34,473.91, 47,574.04 and 19,366.57 is: 26,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,473.91 : 47,574.04 = 19,366.57 : x
  2. Step 2: Convert to fraction form
    34,473.91/47,574.04 = 19,366.57/x
  3. Step 3: Cross multiply
    34,473.91x = 47,574.04 × 19,366.57
  4. Step 4: Simplify right side
    34,473.91x = 921,345,933.66
  5. Step 5: Solve for x
    x = 921,345,933.66/34,473.91
  6. Step 6: Final answer
    x = 26,725.89

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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.