Home / 57,317.40-79,102.98-31,828.68

Finding the Fourth Proportional to 57,317.40, 79,102.98 and 31,828.68

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Solution

The fourth proportional to 57,317.40, 79,102.98 and 31,828.68 is: 43,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,317.40 : 79,102.98 = 31,828.68 : x
  2. Step 2: Convert to fraction form
    57,317.40/79,102.98 = 31,828.68/x
  3. Step 3: Cross multiply
    57,317.40x = 79,102.98 × 31,828.68
  4. Step 4: Simplify right side
    57,317.40x = 2,517,743,437.47
  5. Step 5: Solve for x
    x = 2,517,743,437.47/57,317.40
  6. Step 6: Final answer
    x = 43,926.34

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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.