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Finding the Fourth Proportional to 35,143.65, 48,498.68 and 19,228.37

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Solution

The fourth proportional to 35,143.65, 48,498.68 and 19,228.37 is: 26,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,143.65 : 48,498.68 = 19,228.37 : x
  2. Step 2: Convert to fraction form
    35,143.65/48,498.68 = 19,228.37/x
  3. Step 3: Cross multiply
    35,143.65x = 48,498.68 × 19,228.37
  4. Step 4: Simplify right side
    35,143.65x = 932,550,369.13
  5. Step 5: Solve for x
    x = 932,550,369.13/35,143.65
  6. Step 6: Final answer
    x = 26,535.39

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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.