Home / 30,147.60-41,602.90-16,718.82

Finding the Fourth Proportional to 30,147.60, 41,602.90 and 16,718.82

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Solution

The fourth proportional to 30,147.60, 41,602.90 and 16,718.82 is: 23,071.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,147.60 : 41,602.90 = 16,718.82 : x
  2. Step 2: Convert to fraction form
    30,147.60/41,602.90 = 16,718.82/x
  3. Step 3: Cross multiply
    30,147.60x = 41,602.90 × 16,718.82
  4. Step 4: Simplify right side
    30,147.60x = 695,551,396.58
  5. Step 5: Solve for x
    x = 695,551,396.58/30,147.60
  6. Step 6: Final answer
    x = 23,071.53

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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.