Home / 30,764.66-42,455.25-16,617.51

Finding the Fourth Proportional to 30,764.66, 42,455.25 and 16,617.51

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Solution

The fourth proportional to 30,764.66, 42,455.25 and 16,617.51 is: 22,932.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,764.66 : 42,455.25 = 16,617.51 : x
  2. Step 2: Convert to fraction form
    30,764.66/42,455.25 = 16,617.51/x
  3. Step 3: Cross multiply
    30,764.66x = 42,455.25 × 16,617.51
  4. Step 4: Simplify right side
    30,764.66x = 705,500,497.61
  5. Step 5: Solve for x
    x = 705,500,497.61/30,764.66
  6. Step 6: Final answer
    x = 22,932.17

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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.