Home / 31,033.64-42,825.15-16,886.49

Finding the Fourth Proportional to 31,033.64, 42,825.15 and 16,886.49

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Solution

The fourth proportional to 31,033.64, 42,825.15 and 16,886.49 is: 23,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.64 : 42,825.15 = 16,886.49 : x
  2. Step 2: Convert to fraction form
    31,033.64/42,825.15 = 16,886.49/x
  3. Step 3: Cross multiply
    31,033.64x = 42,825.15 × 16,886.49
  4. Step 4: Simplify right side
    31,033.64x = 723,166,467.22
  5. Step 5: Solve for x
    x = 723,166,467.22/31,033.64
  6. Step 6: Final answer
    x = 23,302.66

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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.