Home / 35,181.96-48,555.93-21,578.13

Finding the Fourth Proportional to 35,181.96, 48,555.93 and 21,578.13

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Solution

The fourth proportional to 35,181.96, 48,555.93 and 21,578.13 is: 29,780.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,181.96 : 48,555.93 = 21,578.13 : x
  2. Step 2: Convert to fraction form
    35,181.96/48,555.93 = 21,578.13/x
  3. Step 3: Cross multiply
    35,181.96x = 48,555.93 × 21,578.13
  4. Step 4: Simplify right side
    35,181.96x = 1,047,746,169.81
  5. Step 5: Solve for x
    x = 1,047,746,169.81/35,181.96
  6. Step 6: Final answer
    x = 29,780.78

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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.