Home / 60,830.27-91,242.64-20,852.80

Finding the Fourth Proportional to 60,830.27, 91,242.64 and 20,852.80

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Solution

The fourth proportional to 60,830.27, 91,242.64 and 20,852.80 is: 31,278.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.27 : 91,242.64 = 20,852.80 : x
  2. Step 2: Convert to fraction form
    60,830.27/91,242.64 = 20,852.80/x
  3. Step 3: Cross multiply
    60,830.27x = 91,242.64 × 20,852.80
  4. Step 4: Simplify right side
    60,830.27x = 1,902,664,290.20
  5. Step 5: Solve for x
    x = 1,902,664,290.20/60,830.27
  6. Step 6: Final answer
    x = 31,278.25

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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.