Home / 30,158.18-41,618.25-16,731.47

Finding the Fourth Proportional to 30,158.18, 41,618.25 and 16,731.47

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Solution

The fourth proportional to 30,158.18, 41,618.25 and 16,731.47 is: 23,089.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.18 : 41,618.25 = 16,731.47 : x
  2. Step 2: Convert to fraction form
    30,158.18/41,618.25 = 16,731.47/x
  3. Step 3: Cross multiply
    30,158.18x = 41,618.25 × 16,731.47
  4. Step 4: Simplify right side
    30,158.18x = 696,334,501.33
  5. Step 5: Solve for x
    x = 696,334,501.33/30,158.18
  6. Step 6: Final answer
    x = 23,089.41

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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.