Home / 35,376.89-48,820.10-21,229.74

Finding the Fourth Proportional to 35,376.89, 48,820.10 and 21,229.74

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Solution

The fourth proportional to 35,376.89, 48,820.10 and 21,229.74 is: 29,297.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,376.89 : 48,820.10 = 21,229.74 : x
  2. Step 2: Convert to fraction form
    35,376.89/48,820.10 = 21,229.74/x
  3. Step 3: Cross multiply
    35,376.89x = 48,820.10 × 21,229.74
  4. Step 4: Simplify right side
    35,376.89x = 1,036,437,923.63
  5. Step 5: Solve for x
    x = 1,036,437,923.63/35,376.89
  6. Step 6: Final answer
    x = 29,297.04

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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.