Home / 34,658.43-47,828.64-18,742.86

Finding the Fourth Proportional to 34,658.43, 47,828.64 and 18,742.86

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Solution

The fourth proportional to 34,658.43, 47,828.64 and 18,742.86 is: 25,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,658.43 : 47,828.64 = 18,742.86 : x
  2. Step 2: Convert to fraction form
    34,658.43/47,828.64 = 18,742.86/x
  3. Step 3: Cross multiply
    34,658.43x = 47,828.64 × 18,742.86
  4. Step 4: Simplify right side
    34,658.43x = 896,445,503.51
  5. Step 5: Solve for x
    x = 896,445,503.51/34,658.43
  6. Step 6: Final answer
    x = 25,865.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.