Home / 40,631.20-60,982.80-23,970.40

Finding the Fourth Proportional to 40,631.20, 60,982.80 and 23,970.40

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Solution

The fourth proportional to 40,631.20, 60,982.80 and 23,970.40 is: 35,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,631.20 : 60,982.80 = 23,970.40 : x
  2. Step 2: Convert to fraction form
    40,631.20/60,982.80 = 23,970.40/x
  3. Step 3: Cross multiply
    40,631.20x = 60,982.80 × 23,970.40
  4. Step 4: Simplify right side
    40,631.20x = 1,461,782,109.12
  5. Step 5: Solve for x
    x = 1,461,782,109.12/40,631.20
  6. Step 6: Final answer
    x = 35,976.84

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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.