Home / 60,538.66-90,749.67-18,975.94

Finding the Fourth Proportional to 60,538.66, 90,749.67 and 18,975.94

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Solution

The fourth proportional to 60,538.66, 90,749.67 and 18,975.94 is: 28,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,538.66 : 90,749.67 = 18,975.94 : x
  2. Step 2: Convert to fraction form
    60,538.66/90,749.67 = 18,975.94/x
  3. Step 3: Cross multiply
    60,538.66x = 90,749.67 × 18,975.94
  4. Step 4: Simplify right side
    60,538.66x = 1,722,060,292.94
  5. Step 5: Solve for x
    x = 1,722,060,292.94/60,538.66
  6. Step 6: Final answer
    x = 28,445.63

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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.