Home / 30,943.64-42,702.26-16,796.49

Finding the Fourth Proportional to 30,943.64, 42,702.26 and 16,796.49

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Solution

The fourth proportional to 30,943.64, 42,702.26 and 16,796.49 is: 23,179.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.64 : 42,702.26 = 16,796.49 : x
  2. Step 2: Convert to fraction form
    30,943.64/42,702.26 = 16,796.49/x
  3. Step 3: Cross multiply
    30,943.64x = 42,702.26 × 16,796.49
  4. Step 4: Simplify right side
    30,943.64x = 717,248,125.06
  5. Step 5: Solve for x
    x = 717,248,125.06/30,943.64
  6. Step 6: Final answer
    x = 23,179.18

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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.