Home / 51,573.24-71,205.21-39,615.12

Finding the Fourth Proportional to 51,573.24, 71,205.21 and 39,615.12

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Solution

The fourth proportional to 51,573.24, 71,205.21 and 39,615.12 is: 54,695.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,573.24 : 71,205.21 = 39,615.12 : x
  2. Step 2: Convert to fraction form
    51,573.24/71,205.21 = 39,615.12/x
  3. Step 3: Cross multiply
    51,573.24x = 71,205.21 × 39,615.12
  4. Step 4: Simplify right side
    51,573.24x = 2,820,802,938.78
  5. Step 5: Solve for x
    x = 2,820,802,938.78/51,573.24
  6. Step 6: Final answer
    x = 54,695.09

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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.