Home / 30,900.19-42,644.44-17,471.57

Finding the Fourth Proportional to 30,900.19, 42,644.44 and 17,471.57

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Solution

The fourth proportional to 30,900.19, 42,644.44 and 17,471.57 is: 24,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.19 : 42,644.44 = 17,471.57 : x
  2. Step 2: Convert to fraction form
    30,900.19/42,644.44 = 17,471.57/x
  3. Step 3: Cross multiply
    30,900.19x = 42,644.44 × 17,471.57
  4. Step 4: Simplify right side
    30,900.19x = 745,065,318.57
  5. Step 5: Solve for x
    x = 745,065,318.57/30,900.19
  6. Step 6: Final answer
    x = 24,112.00

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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.