Home / 49,749.60-74,643.78-18,587.28

Finding the Fourth Proportional to 49,749.60, 74,643.78 and 18,587.28

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Solution

The fourth proportional to 49,749.60, 74,643.78 and 18,587.28 is: 27,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.60 : 74,643.78 = 18,587.28 : x
  2. Step 2: Convert to fraction form
    49,749.60/74,643.78 = 18,587.28/x
  3. Step 3: Cross multiply
    49,749.60x = 74,643.78 × 18,587.28
  4. Step 4: Simplify right side
    49,749.60x = 1,387,424,839.12
  5. Step 5: Solve for x
    x = 1,387,424,839.12/49,749.60
  6. Step 6: Final answer
    x = 27,888.16

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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.