Home / 30,803.30-42,508.53-17,374.52

Finding the Fourth Proportional to 30,803.30, 42,508.53 and 17,374.52

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Solution

The fourth proportional to 30,803.30, 42,508.53 and 17,374.52 is: 23,976.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.30 : 42,508.53 = 17,374.52 : x
  2. Step 2: Convert to fraction form
    30,803.30/42,508.53 = 17,374.52/x
  3. Step 3: Cross multiply
    30,803.30x = 42,508.53 × 17,374.52
  4. Step 4: Simplify right side
    30,803.30x = 738,565,092.11
  5. Step 5: Solve for x
    x = 738,565,092.11/30,803.30
  6. Step 6: Final answer
    x = 23,976.82

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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.