Home / 74,164.80-111,250.28-21,574.29

Finding the Fourth Proportional to 74,164.80, 111,250.28 and 21,574.29

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Solution

The fourth proportional to 74,164.80, 111,250.28 and 21,574.29 is: 32,362.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.80 : 111,250.28 = 21,574.29 : x
  2. Step 2: Convert to fraction form
    74,164.80/111,250.28 = 21,574.29/x
  3. Step 3: Cross multiply
    74,164.80x = 111,250.28 × 21,574.29
  4. Step 4: Simplify right side
    74,164.80x = 2,400,145,189.15
  5. Step 5: Solve for x
    x = 2,400,145,189.15/74,164.80
  6. Step 6: Final answer
    x = 32,362.32

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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.