Home / 30,181.79-41,648.90-16,752.39

Finding the Fourth Proportional to 30,181.79, 41,648.90 and 16,752.39

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Solution

The fourth proportional to 30,181.79, 41,648.90 and 16,752.39 is: 23,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.79 : 41,648.90 = 16,752.39 : x
  2. Step 2: Convert to fraction form
    30,181.79/41,648.90 = 16,752.39/x
  3. Step 3: Cross multiply
    30,181.79x = 41,648.90 × 16,752.39
  4. Step 4: Simplify right side
    30,181.79x = 697,718,532.11
  5. Step 5: Solve for x
    x = 697,718,532.11/30,181.79
  6. Step 6: Final answer
    x = 23,117.21

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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.