Home / 74,417.57-111,627.27-21,828.14

Finding the Fourth Proportional to 74,417.57, 111,627.27 and 21,828.14

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Solution

The fourth proportional to 74,417.57, 111,627.27 and 21,828.14 is: 32,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,417.57 : 111,627.27 = 21,828.14 : x
  2. Step 2: Convert to fraction form
    74,417.57/111,627.27 = 21,828.14/x
  3. Step 3: Cross multiply
    74,417.57x = 111,627.27 × 21,828.14
  4. Step 4: Simplify right side
    74,417.57x = 2,436,615,677.38
  5. Step 5: Solve for x
    x = 2,436,615,677.38/74,417.57
  6. Step 6: Final answer
    x = 32,742.48

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1.5x scale

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.