Home / 39,104.53-58,611.40-18,000.25

Finding the Fourth Proportional to 39,104.53, 58,611.40 and 18,000.25

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Solution

The fourth proportional to 39,104.53, 58,611.40 and 18,000.25 is: 26,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,104.53 : 58,611.40 = 18,000.25 : x
  2. Step 2: Convert to fraction form
    39,104.53/58,611.40 = 18,000.25/x
  3. Step 3: Cross multiply
    39,104.53x = 58,611.40 × 18,000.25
  4. Step 4: Simplify right side
    39,104.53x = 1,055,019,661.32
  5. Step 5: Solve for x
    x = 1,055,019,661.32/39,104.53
  6. Step 6: Final answer
    x = 26,979.48

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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.