Home / 31,908.96-47,746.80-18,767.52

Finding the Fourth Proportional to 31,908.96, 47,746.80 and 18,767.52

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Solution

The fourth proportional to 31,908.96, 47,746.80 and 18,767.52 is: 28,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.96 : 47,746.80 = 18,767.52 : x
  2. Step 2: Convert to fraction form
    31,908.96/47,746.80 = 18,767.52/x
  3. Step 3: Cross multiply
    31,908.96x = 47,746.80 × 18,767.52
  4. Step 4: Simplify right side
    31,908.96x = 896,089,023.94
  5. Step 5: Solve for x
    x = 896,089,023.94/31,908.96
  6. Step 6: Final answer
    x = 28,082.68

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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.