Home / 39,837.70-59,793.51-20,130.10

Finding the Fourth Proportional to 39,837.70, 59,793.51 and 20,130.10

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Solution

The fourth proportional to 39,837.70, 59,793.51 and 20,130.10 is: 30,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,837.70 : 59,793.51 = 20,130.10 : x
  2. Step 2: Convert to fraction form
    39,837.70/59,793.51 = 20,130.10/x
  3. Step 3: Cross multiply
    39,837.70x = 59,793.51 × 20,130.10
  4. Step 4: Simplify right side
    39,837.70x = 1,203,649,261.66
  5. Step 5: Solve for x
    x = 1,203,649,261.66/39,837.70
  6. Step 6: Final answer
    x = 30,213.82

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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.