Home / 39,684.48-59,535.52-13,388.64

Finding the Fourth Proportional to 39,684.48, 59,535.52 and 13,388.64

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Solution

The fourth proportional to 39,684.48, 59,535.52 and 13,388.64 is: 20,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,684.48 : 59,535.52 = 13,388.64 : x
  2. Step 2: Convert to fraction form
    39,684.48/59,535.52 = 13,388.64/x
  3. Step 3: Cross multiply
    39,684.48x = 59,535.52 × 13,388.64
  4. Step 4: Simplify right side
    39,684.48x = 797,099,346.82
  5. Step 5: Solve for x
    x = 797,099,346.82/39,684.48
  6. Step 6: Final answer
    x = 20,085.92

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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.