Home / 30,732.08-42,411.06-17,303.82

Finding the Fourth Proportional to 30,732.08, 42,411.06 and 17,303.82

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Solution

The fourth proportional to 30,732.08, 42,411.06 and 17,303.82 is: 23,879.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,732.08 : 42,411.06 = 17,303.82 : x
  2. Step 2: Convert to fraction form
    30,732.08/42,411.06 = 17,303.82/x
  3. Step 3: Cross multiply
    30,732.08x = 42,411.06 × 17,303.82
  4. Step 4: Simplify right side
    30,732.08x = 733,873,348.25
  5. Step 5: Solve for x
    x = 733,873,348.25/30,732.08
  6. Step 6: Final answer
    x = 23,879.72

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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.