Home / 51,939.02-71,723.07-39,170.34

Finding the Fourth Proportional to 51,939.02, 71,723.07 and 39,170.34

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Solution

The fourth proportional to 51,939.02, 71,723.07 and 39,170.34 is: 54,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,939.02 : 71,723.07 = 39,170.34 : x
  2. Step 2: Convert to fraction form
    51,939.02/71,723.07 = 39,170.34/x
  3. Step 3: Cross multiply
    51,939.02x = 71,723.07 × 39,170.34
  4. Step 4: Simplify right side
    51,939.02x = 2,809,417,037.74
  5. Step 5: Solve for x
    x = 2,809,417,037.74/51,939.02
  6. Step 6: Final answer
    x = 54,090.68

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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.