Home / 39,923.40-59,906.70-17,740.20

Finding the Fourth Proportional to 39,923.40, 59,906.70 and 17,740.20

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Solution

The fourth proportional to 39,923.40, 59,906.70 and 17,740.20 is: 26,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,923.40 : 59,906.70 = 17,740.20 : x
  2. Step 2: Convert to fraction form
    39,923.40/59,906.70 = 17,740.20/x
  3. Step 3: Cross multiply
    39,923.40x = 59,906.70 × 17,740.20
  4. Step 4: Simplify right side
    39,923.40x = 1,062,756,839.34
  5. Step 5: Solve for x
    x = 1,062,756,839.34/39,923.40
  6. Step 6: Final answer
    x = 26,619.90

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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.