Home / 51,403.29-70,976.75-39,447.69

Finding the Fourth Proportional to 51,403.29, 70,976.75 and 39,447.69

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Solution

The fourth proportional to 51,403.29, 70,976.75 and 39,447.69 is: 54,468.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403.29 : 70,976.75 = 39,447.69 : x
  2. Step 2: Convert to fraction form
    51,403.29/70,976.75 = 39,447.69/x
  3. Step 3: Cross multiply
    51,403.29x = 70,976.75 × 39,447.69
  4. Step 4: Simplify right side
    51,403.29x = 2,799,868,831.21
  5. Step 5: Solve for x
    x = 2,799,868,831.21/51,403.29
  6. Step 6: Final answer
    x = 54,468.67

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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.