Home / 48,743.40-73,109.70-13,686.60

Finding the Fourth Proportional to 48,743.40, 73,109.70 and 13,686.60

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Solution

The fourth proportional to 48,743.40, 73,109.70 and 13,686.60 is: 20,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,743.40 : 73,109.70 = 13,686.60 : x
  2. Step 2: Convert to fraction form
    48,743.40/73,109.70 = 13,686.60/x
  3. Step 3: Cross multiply
    48,743.40x = 73,109.70 × 13,686.60
  4. Step 4: Simplify right side
    48,743.40x = 1,000,623,220.02
  5. Step 5: Solve for x
    x = 1,000,623,220.02/48,743.40
  6. Step 6: Final answer
    x = 20,528.38

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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.