Home / 60,554.86-90,836.91-18,438.54

Finding the Fourth Proportional to 60,554.86, 90,836.91 and 18,438.54

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Solution

The fourth proportional to 60,554.86, 90,836.91 and 18,438.54 is: 27,659.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,554.86 : 90,836.91 = 18,438.54 : x
  2. Step 2: Convert to fraction form
    60,554.86/90,836.91 = 18,438.54/x
  3. Step 3: Cross multiply
    60,554.86x = 90,836.91 × 18,438.54
  4. Step 4: Simplify right side
    60,554.86x = 1,674,899,657.87
  5. Step 5: Solve for x
    x = 1,674,899,657.87/60,554.86
  6. Step 6: Final answer
    x = 27,659.21

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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.