Home / 30,116.31-41,562.89-16,688.85

Finding the Fourth Proportional to 30,116.31, 41,562.89 and 16,688.85

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Solution

The fourth proportional to 30,116.31, 41,562.89 and 16,688.85 is: 23,031.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,116.31 : 41,562.89 = 16,688.85 : x
  2. Step 2: Convert to fraction form
    30,116.31/41,562.89 = 16,688.85/x
  3. Step 3: Cross multiply
    30,116.31x = 41,562.89 × 16,688.85
  4. Step 4: Simplify right side
    30,116.31x = 693,636,753.33
  5. Step 5: Solve for x
    x = 693,636,753.33/30,116.31
  6. Step 6: Final answer
    x = 23,031.93

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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.