Home / 51,684.75-71,331.30-31,541.13

Finding the Fourth Proportional to 51,684.75, 71,331.30 and 31,541.13

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Solution

The fourth proportional to 51,684.75, 71,331.30 and 31,541.13 is: 43,530.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,684.75 : 71,331.30 = 31,541.13 : x
  2. Step 2: Convert to fraction form
    51,684.75/71,331.30 = 31,541.13/x
  3. Step 3: Cross multiply
    51,684.75x = 71,331.30 × 31,541.13
  4. Step 4: Simplify right side
    51,684.75x = 2,249,869,806.37
  5. Step 5: Solve for x
    x = 2,249,869,806.37/51,684.75
  6. Step 6: Final answer
    x = 43,530.63

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1.5x scale

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.