Home / 29,639.82-40,902.43-16,210.78

Finding the Fourth Proportional to 29,639.82, 40,902.43 and 16,210.78

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Solution

The fourth proportional to 29,639.82, 40,902.43 and 16,210.78 is: 22,370.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.82 : 40,902.43 = 16,210.78 : x
  2. Step 2: Convert to fraction form
    29,639.82/40,902.43 = 16,210.78/x
  3. Step 3: Cross multiply
    29,639.82x = 40,902.43 × 16,210.78
  4. Step 4: Simplify right side
    29,639.82x = 663,060,089.68
  5. Step 5: Solve for x
    x = 663,060,089.68/29,639.82
  6. Step 6: Final answer
    x = 22,370.59

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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.