Home / 30,837.33-42,555.56-16,690.17

Finding the Fourth Proportional to 30,837.33, 42,555.56 and 16,690.17

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Solution

The fourth proportional to 30,837.33, 42,555.56 and 16,690.17 is: 23,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.33 : 42,555.56 = 16,690.17 : x
  2. Step 2: Convert to fraction form
    30,837.33/42,555.56 = 16,690.17/x
  3. Step 3: Cross multiply
    30,837.33x = 42,555.56 × 16,690.17
  4. Step 4: Simplify right side
    30,837.33x = 710,259,530.85
  5. Step 5: Solve for x
    x = 710,259,530.85/30,837.33
  6. Step 6: Final answer
    x = 23,032.46

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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.