Home / 60,518.97-90,778.86-21,076.83

Finding the Fourth Proportional to 60,518.97, 90,778.86 and 21,076.83

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Solution

The fourth proportional to 60,518.97, 90,778.86 and 21,076.83 is: 31,615.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,518.97 : 90,778.86 = 21,076.83 : x
  2. Step 2: Convert to fraction form
    60,518.97/90,778.86 = 21,076.83/x
  3. Step 3: Cross multiply
    60,518.97x = 90,778.86 × 21,076.83
  4. Step 4: Simplify right side
    60,518.97x = 1,913,330,599.81
  5. Step 5: Solve for x
    x = 1,913,330,599.81/60,518.97
  6. Step 6: Final answer
    x = 31,615.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.