Home / 30,117.76-41,564.07-16,690.52

Finding the Fourth Proportional to 30,117.76, 41,564.07 and 16,690.52

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Solution

The fourth proportional to 30,117.76, 41,564.07 and 16,690.52 is: 23,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,117.76 : 41,564.07 = 16,690.52 : x
  2. Step 2: Convert to fraction form
    30,117.76/41,564.07 = 16,690.52/x
  3. Step 3: Cross multiply
    30,117.76x = 41,564.07 × 16,690.52
  4. Step 4: Simplify right side
    30,117.76x = 693,726,045.53
  5. Step 5: Solve for x
    x = 693,726,045.53/30,117.76
  6. Step 6: Final answer
    x = 23,033.79

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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.