Home / 39,954.13-59,910.33-11,870.31

Finding the Fourth Proportional to 39,954.13, 59,910.33 and 11,870.31

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Solution

The fourth proportional to 39,954.13, 59,910.33 and 11,870.31 is: 17,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.13 : 59,910.33 = 11,870.31 : x
  2. Step 2: Convert to fraction form
    39,954.13/59,910.33 = 11,870.31/x
  3. Step 3: Cross multiply
    39,954.13x = 59,910.33 × 11,870.31
  4. Step 4: Simplify right side
    39,954.13x = 711,154,458.48
  5. Step 5: Solve for x
    x = 711,154,458.48/39,954.13
  6. Step 6: Final answer
    x = 17,799.27

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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.