Home / 30,314.40-41,836.95-16,887.84

Finding the Fourth Proportional to 30,314.40, 41,836.95 and 16,887.84

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Solution

The fourth proportional to 30,314.40, 41,836.95 and 16,887.84 is: 23,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,314.40 : 41,836.95 = 16,887.84 : x
  2. Step 2: Convert to fraction form
    30,314.40/41,836.95 = 16,887.84/x
  3. Step 3: Cross multiply
    30,314.40x = 41,836.95 × 16,887.84
  4. Step 4: Simplify right side
    30,314.40x = 706,535,717.69
  5. Step 5: Solve for x
    x = 706,535,717.69/30,314.40
  6. Step 6: Final answer
    x = 23,306.93

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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.