Home / 39,663.45-59,479.74-19,928.25

Finding the Fourth Proportional to 39,663.45, 59,479.74 and 19,928.25

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Solution

The fourth proportional to 39,663.45, 59,479.74 and 19,928.25 is: 29,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,663.45 : 59,479.74 = 19,928.25 : x
  2. Step 2: Convert to fraction form
    39,663.45/59,479.74 = 19,928.25/x
  3. Step 3: Cross multiply
    39,663.45x = 59,479.74 × 19,928.25
  4. Step 4: Simplify right side
    39,663.45x = 1,185,327,128.66
  5. Step 5: Solve for x
    x = 1,185,327,128.66/39,663.45
  6. Step 6: Final answer
    x = 29,884.62

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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.