Home / 74,399.40-111,570.54-31,677.74

Finding the Fourth Proportional to 74,399.40, 111,570.54 and 31,677.74

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Solution

The fourth proportional to 74,399.40, 111,570.54 and 31,677.74 is: 47,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,399.40 : 111,570.54 = 31,677.74 : x
  2. Step 2: Convert to fraction form
    74,399.40/111,570.54 = 31,677.74/x
  3. Step 3: Cross multiply
    74,399.40x = 111,570.54 × 31,677.74
  4. Step 4: Simplify right side
    74,399.40x = 3,534,302,557.78
  5. Step 5: Solve for x
    x = 3,534,302,557.78/74,399.40
  6. Step 6: Final answer
    x = 47,504.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.