Home / 74,263.52-111,387.38-20,954.18

Finding the Fourth Proportional to 74,263.52, 111,387.38 and 20,954.18

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Solution

The fourth proportional to 74,263.52, 111,387.38 and 20,954.18 is: 31,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.52 : 111,387.38 = 20,954.18 : x
  2. Step 2: Convert to fraction form
    74,263.52/111,387.38 = 20,954.18/x
  3. Step 3: Cross multiply
    74,263.52x = 111,387.38 × 20,954.18
  4. Step 4: Simplify right side
    74,263.52x = 2,334,030,548.54
  5. Step 5: Solve for x
    x = 2,334,030,548.54/74,263.52
  6. Step 6: Final answer
    x = 31,429.03

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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.