Home / 31,020.14-42,808.84-16,873.50

Finding the Fourth Proportional to 31,020.14, 42,808.84 and 16,873.50

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Solution

The fourth proportional to 31,020.14, 42,808.84 and 16,873.50 is: 23,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,020.14 : 42,808.84 = 16,873.50 : x
  2. Step 2: Convert to fraction form
    31,020.14/42,808.84 = 16,873.50/x
  3. Step 3: Cross multiply
    31,020.14x = 42,808.84 × 16,873.50
  4. Step 4: Simplify right side
    31,020.14x = 722,334,961.74
  5. Step 5: Solve for x
    x = 722,334,961.74/31,020.14
  6. Step 6: Final answer
    x = 23,286.00

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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.