Home / 61,982.40-92,973.60-38,362.80

Finding the Fourth Proportional to 61,982.40, 92,973.60 and 38,362.80

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Solution

The fourth proportional to 61,982.40, 92,973.60 and 38,362.80 is: 57,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982.40 : 92,973.60 = 38,362.80 : x
  2. Step 2: Convert to fraction form
    61,982.40/92,973.60 = 38,362.80/x
  3. Step 3: Cross multiply
    61,982.40x = 92,973.60 × 38,362.80
  4. Step 4: Simplify right side
    61,982.40x = 3,566,727,622.08
  5. Step 5: Solve for x
    x = 3,566,727,622.08/61,982.40
  6. Step 6: Final answer
    x = 57,544.20

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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.