Home / 39,388.76-59,063.40-13,084.28

Finding the Fourth Proportional to 39,388.76, 59,063.40 and 13,084.28

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Solution

The fourth proportional to 39,388.76, 59,063.40 and 13,084.28 is: 19,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,388.76 : 59,063.40 = 13,084.28 : x
  2. Step 2: Convert to fraction form
    39,388.76/59,063.40 = 13,084.28/x
  3. Step 3: Cross multiply
    39,388.76x = 59,063.40 × 13,084.28
  4. Step 4: Simplify right side
    39,388.76x = 772,802,063.35
  5. Step 5: Solve for x
    x = 772,802,063.35/39,388.76
  6. Step 6: Final answer
    x = 19,619.86

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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.