Home / 39,767.76-59,647.80-20,038.48

Finding the Fourth Proportional to 39,767.76, 59,647.80 and 20,038.48

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Solution

The fourth proportional to 39,767.76, 59,647.80 and 20,038.48 is: 30,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,767.76 : 59,647.80 = 20,038.48 : x
  2. Step 2: Convert to fraction form
    39,767.76/59,647.80 = 20,038.48/x
  3. Step 3: Cross multiply
    39,767.76x = 59,647.80 × 20,038.48
  4. Step 4: Simplify right side
    39,767.76x = 1,195,251,247.34
  5. Step 5: Solve for x
    x = 1,195,251,247.34/39,767.76
  6. Step 6: Final answer
    x = 30,055.79

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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.