Home / 51,684.24-71,335.36-31,536.80

Finding the Fourth Proportional to 51,684.24, 71,335.36 and 31,536.80

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Solution

The fourth proportional to 51,684.24, 71,335.36 and 31,536.80 is: 43,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.24 : 71,335.36 = 31,536.80 : x
  2. Step 2: Convert to fraction form
    51,684.24/71,335.36 = 31,536.80/x
  3. Step 3: Cross multiply
    51,684.24x = 71,335.36 × 31,536.80
  4. Step 4: Simplify right side
    51,684.24x = 2,249,688,981.25
  5. Step 5: Solve for x
    x = 2,249,688,981.25/51,684.24
  6. Step 6: Final answer
    x = 43,527.56

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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.