Home / 30,803.06-42,507.27-17,374.12

Finding the Fourth Proportional to 30,803.06, 42,507.27 and 17,374.12

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Solution

The fourth proportional to 30,803.06, 42,507.27 and 17,374.12 is: 23,975.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.06 : 42,507.27 = 17,374.12 : x
  2. Step 2: Convert to fraction form
    30,803.06/42,507.27 = 17,374.12/x
  3. Step 3: Cross multiply
    30,803.06x = 42,507.27 × 17,374.12
  4. Step 4: Simplify right side
    30,803.06x = 738,526,398.70
  5. Step 5: Solve for x
    x = 738,526,398.70/30,803.06
  6. Step 6: Final answer
    x = 23,975.75

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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.