Home / 30,176.78-41,646.57-16,750.62

Finding the Fourth Proportional to 30,176.78, 41,646.57 and 16,750.62

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Solution

The fourth proportional to 30,176.78, 41,646.57 and 16,750.62 is: 23,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176.78 : 41,646.57 = 16,750.62 : x
  2. Step 2: Convert to fraction form
    30,176.78/41,646.57 = 16,750.62/x
  3. Step 3: Cross multiply
    30,176.78x = 41,646.57 × 16,750.62
  4. Step 4: Simplify right side
    30,176.78x = 697,605,805.56
  5. Step 5: Solve for x
    x = 697,605,805.56/30,176.78
  6. Step 6: Final answer
    x = 23,117.31

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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.