Home / 74,014.38-111,032.50-21,417.03

Finding the Fourth Proportional to 74,014.38, 111,032.50 and 21,417.03

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Solution

The fourth proportional to 74,014.38, 111,032.50 and 21,417.03 is: 32,128.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.38 : 111,032.50 = 21,417.03 : x
  2. Step 2: Convert to fraction form
    74,014.38/111,032.50 = 21,417.03/x
  3. Step 3: Cross multiply
    74,014.38x = 111,032.50 × 21,417.03
  4. Step 4: Simplify right side
    74,014.38x = 2,377,986,622.13
  5. Step 5: Solve for x
    x = 2,377,986,622.13/74,014.38
  6. Step 6: Final answer
    x = 32,128.71

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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.