Home / 30,315.34-41,834.59-16,887.70

Finding the Fourth Proportional to 30,315.34, 41,834.59 and 16,887.70

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Solution

The fourth proportional to 30,315.34, 41,834.59 and 16,887.70 is: 23,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.34 : 41,834.59 = 16,887.70 : x
  2. Step 2: Convert to fraction form
    30,315.34/41,834.59 = 16,887.70/x
  3. Step 3: Cross multiply
    30,315.34x = 41,834.59 × 16,887.70
  4. Step 4: Simplify right side
    30,315.34x = 706,490,005.54
  5. Step 5: Solve for x
    x = 706,490,005.54/30,315.34
  6. Step 6: Final answer
    x = 23,304.70

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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.