Home / 35,319.39-48,740.78-19,404.87

Finding the Fourth Proportional to 35,319.39, 48,740.78 and 19,404.87

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Solution

The fourth proportional to 35,319.39, 48,740.78 and 19,404.87 is: 26,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,319.39 : 48,740.78 = 19,404.87 : x
  2. Step 2: Convert to fraction form
    35,319.39/48,740.78 = 19,404.87/x
  3. Step 3: Cross multiply
    35,319.39x = 48,740.78 × 19,404.87
  4. Step 4: Simplify right side
    35,319.39x = 945,808,255.89
  5. Step 5: Solve for x
    x = 945,808,255.89/35,319.39
  6. Step 6: Final answer
    x = 26,778.73

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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.