Home / 48,538.90-72,798.63-13,469.14

Finding the Fourth Proportional to 48,538.90, 72,798.63 and 13,469.14

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Solution

The fourth proportional to 48,538.90, 72,798.63 and 13,469.14 is: 20,201.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,538.90 : 72,798.63 = 13,469.14 : x
  2. Step 2: Convert to fraction form
    48,538.90/72,798.63 = 13,469.14/x
  3. Step 3: Cross multiply
    48,538.90x = 72,798.63 × 13,469.14
  4. Step 4: Simplify right side
    48,538.90x = 980,534,939.28
  5. Step 5: Solve for x
    x = 980,534,939.28/48,538.90
  6. Step 6: Final answer
    x = 20,201.01

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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.