Home / 60,555.86-90,838.41-18,439.54

Finding the Fourth Proportional to 60,555.86, 90,838.41 and 18,439.54

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Solution

The fourth proportional to 60,555.86, 90,838.41 and 18,439.54 is: 27,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,555.86 : 90,838.41 = 18,439.54 : x
  2. Step 2: Convert to fraction form
    60,555.86/90,838.41 = 18,439.54/x
  3. Step 3: Cross multiply
    60,555.86x = 90,838.41 × 18,439.54
  4. Step 4: Simplify right side
    60,555.86x = 1,675,018,494.73
  5. Step 5: Solve for x
    x = 1,675,018,494.73/60,555.86
  6. Step 6: Final answer
    x = 27,660.72

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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.