Home / 35,318.92-48,740.22-19,404.40

Finding the Fourth Proportional to 35,318.92, 48,740.22 and 19,404.40

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Solution

The fourth proportional to 35,318.92, 48,740.22 and 19,404.40 is: 26,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.92 : 48,740.22 = 19,404.40 : x
  2. Step 2: Convert to fraction form
    35,318.92/48,740.22 = 19,404.40/x
  3. Step 3: Cross multiply
    35,318.92x = 48,740.22 × 19,404.40
  4. Step 4: Simplify right side
    35,318.92x = 945,774,724.97
  5. Step 5: Solve for x
    x = 945,774,724.97/35,318.92
  6. Step 6: Final answer
    x = 26,778.13

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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.