Home / 74,324.17-111,493.41-21,017.89

Finding the Fourth Proportional to 74,324.17, 111,493.41 and 21,017.89

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Solution

The fourth proportional to 74,324.17, 111,493.41 and 21,017.89 is: 31,528.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,324.17 : 111,493.41 = 21,017.89 : x
  2. Step 2: Convert to fraction form
    74,324.17/111,493.41 = 21,017.89/x
  3. Step 3: Cross multiply
    74,324.17x = 111,493.41 × 21,017.89
  4. Step 4: Simplify right side
    74,324.17x = 2,343,356,227.10
  5. Step 5: Solve for x
    x = 2,343,356,227.10/74,324.17
  6. Step 6: Final answer
    x = 31,528.86

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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.