Home / 53,381.40-73,664.09-31,591.80

Finding the Fourth Proportional to 53,381.40, 73,664.09 and 31,591.80

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Solution

The fourth proportional to 53,381.40, 73,664.09 and 31,591.80 is: 43,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,381.40 : 73,664.09 = 31,591.80 : x
  2. Step 2: Convert to fraction form
    53,381.40/73,664.09 = 31,591.80/x
  3. Step 3: Cross multiply
    53,381.40x = 73,664.09 × 31,591.80
  4. Step 4: Simplify right side
    53,381.40x = 2,327,181,336.68
  5. Step 5: Solve for x
    x = 2,327,181,336.68/53,381.40
  6. Step 6: Final answer
    x = 43,595.36

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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.