Home / 57,092.40-78,785.89-31,599.81

Finding the Fourth Proportional to 57,092.40, 78,785.89 and 31,599.81

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Solution

The fourth proportional to 57,092.40, 78,785.89 and 31,599.81 is: 43,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,092.40 : 78,785.89 = 31,599.81 : x
  2. Step 2: Convert to fraction form
    57,092.40/78,785.89 = 31,599.81/x
  3. Step 3: Cross multiply
    57,092.40x = 78,785.89 × 31,599.81
  4. Step 4: Simplify right side
    57,092.40x = 2,489,619,075.68
  5. Step 5: Solve for x
    x = 2,489,619,075.68/57,092.40
  6. Step 6: Final answer
    x = 43,606.84

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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.