Home / 31,629.80-47,515.10-26,445.80

Finding the Fourth Proportional to 31,629.80, 47,515.10 and 26,445.80

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Solution

The fourth proportional to 31,629.80, 47,515.10 and 26,445.80 is: 39,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.80 : 47,515.10 = 26,445.80 : x
  2. Step 2: Convert to fraction form
    31,629.80/47,515.10 = 26,445.80/x
  3. Step 3: Cross multiply
    31,629.80x = 47,515.10 × 26,445.80
  4. Step 4: Simplify right side
    31,629.80x = 1,256,574,831.58
  5. Step 5: Solve for x
    x = 1,256,574,831.58/31,629.80
  6. Step 6: Final answer
    x = 39,727.56

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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.