Home / 39,895.40-59,796.39-25,645.70

Finding the Fourth Proportional to 39,895.40, 59,796.39 and 25,645.70

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Solution

The fourth proportional to 39,895.40, 59,796.39 and 25,645.70 is: 38,438.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.40 : 59,796.39 = 25,645.70 : x
  2. Step 2: Convert to fraction form
    39,895.40/59,796.39 = 25,645.70/x
  3. Step 3: Cross multiply
    39,895.40x = 59,796.39 × 25,645.70
  4. Step 4: Simplify right side
    39,895.40x = 1,533,520,279.02
  5. Step 5: Solve for x
    x = 1,533,520,279.02/39,895.40
  6. Step 6: Final answer
    x = 38,438.52

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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.