Home / 31,898.63-47,831.85-18,575.93

Finding the Fourth Proportional to 31,898.63, 47,831.85 and 18,575.93

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Solution

The fourth proportional to 31,898.63, 47,831.85 and 18,575.93 is: 27,854.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,898.63 : 47,831.85 = 18,575.93 : x
  2. Step 2: Convert to fraction form
    31,898.63/47,831.85 = 18,575.93/x
  3. Step 3: Cross multiply
    31,898.63x = 47,831.85 × 18,575.93
  4. Step 4: Simplify right side
    31,898.63x = 888,520,858.21
  5. Step 5: Solve for x
    x = 888,520,858.21/31,898.63
  6. Step 6: Final answer
    x = 27,854.52

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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.