Home / 47,831.40-71,708.22-16,688.52

Finding the Fourth Proportional to 47,831.40, 71,708.22 and 16,688.52

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Solution

The fourth proportional to 47,831.40, 71,708.22 and 16,688.52 is: 25,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,831.40 : 71,708.22 = 16,688.52 : x
  2. Step 2: Convert to fraction form
    47,831.40/71,708.22 = 16,688.52/x
  3. Step 3: Cross multiply
    47,831.40x = 71,708.22 × 16,688.52
  4. Step 4: Simplify right side
    47,831.40x = 1,196,704,063.63
  5. Step 5: Solve for x
    x = 1,196,704,063.63/47,831.40
  6. Step 6: Final answer
    x = 25,019.21

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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.