Home / 39,514.19-59,258.98-13,212.78

Finding the Fourth Proportional to 39,514.19, 59,258.98 and 13,212.78

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Solution

The fourth proportional to 39,514.19, 59,258.98 and 13,212.78 is: 19,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.19 : 59,258.98 = 13,212.78 : x
  2. Step 2: Convert to fraction form
    39,514.19/59,258.98 = 13,212.78/x
  3. Step 3: Cross multiply
    39,514.19x = 59,258.98 × 13,212.78
  4. Step 4: Simplify right side
    39,514.19x = 782,975,865.76
  5. Step 5: Solve for x
    x = 782,975,865.76/39,514.19
  6. Step 6: Final answer
    x = 19,815.06

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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.