Home / 30,099.87-45,160.11-11,385.27

Finding the Fourth Proportional to 30,099.87, 45,160.11 and 11,385.27

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Solution

The fourth proportional to 30,099.87, 45,160.11 and 11,385.27 is: 17,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,099.87 : 45,160.11 = 11,385.27 : x
  2. Step 2: Convert to fraction form
    30,099.87/45,160.11 = 11,385.27/x
  3. Step 3: Cross multiply
    30,099.87x = 45,160.11 × 11,385.27
  4. Step 4: Simplify right side
    30,099.87x = 514,160,045.58
  5. Step 5: Solve for x
    x = 514,160,045.58/30,099.87
  6. Step 6: Final answer
    x = 17,081.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.