Home / 31,084.66-42,896.84-16,937.51

Finding the Fourth Proportional to 31,084.66, 42,896.84 and 16,937.51

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Solution

The fourth proportional to 31,084.66, 42,896.84 and 16,937.51 is: 23,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,084.66 : 42,896.84 = 16,937.51 : x
  2. Step 2: Convert to fraction form
    31,084.66/42,896.84 = 16,937.51/x
  3. Step 3: Cross multiply
    31,084.66x = 42,896.84 × 16,937.51
  4. Step 4: Simplify right side
    31,084.66x = 726,565,656.47
  5. Step 5: Solve for x
    x = 726,565,656.47/31,084.66
  6. Step 6: Final answer
    x = 23,373.77

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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.