Home / 39,449.57-59,174.88-13,154.33

Finding the Fourth Proportional to 39,449.57, 59,174.88 and 13,154.33

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Solution

The fourth proportional to 39,449.57, 59,174.88 and 13,154.33 is: 19,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.57 : 59,174.88 = 13,154.33 : x
  2. Step 2: Convert to fraction form
    39,449.57/59,174.88 = 13,154.33/x
  3. Step 3: Cross multiply
    39,449.57x = 59,174.88 × 13,154.33
  4. Step 4: Simplify right side
    39,449.57x = 778,405,603.36
  5. Step 5: Solve for x
    x = 778,405,603.36/39,449.57
  6. Step 6: Final answer
    x = 19,731.66

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1.5x scale

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.