Home / 51,858.48-71,566.15-31,715

Finding the Fourth Proportional to 51,858.48, 71,566.15 and 31,715

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Solution

The fourth proportional to 51,858.48, 71,566.15 and 31,715 is: 43,767.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,858.48 : 71,566.15 = 31,715 : x
  2. Step 2: Convert to fraction form
    51,858.48/71,566.15 = 31,715/x
  3. Step 3: Cross multiply
    51,858.48x = 71,566.15 × 31,715
  4. Step 4: Simplify right side
    51,858.48x = 2,269,720,447.25
  5. Step 5: Solve for x
    x = 2,269,720,447.25/51,858.48
  6. Step 6: Final answer
    x = 43,767.59

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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.