Home / 74,277.39-111,426.01-21,686.12

Finding the Fourth Proportional to 74,277.39, 111,426.01 and 21,686.12

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Solution

The fourth proportional to 74,277.39, 111,426.01 and 21,686.12 is: 32,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,277.39 : 111,426.01 = 21,686.12 : x
  2. Step 2: Convert to fraction form
    74,277.39/111,426.01 = 21,686.12/x
  3. Step 3: Cross multiply
    74,277.39x = 111,426.01 × 21,686.12
  4. Step 4: Simplify right side
    74,277.39x = 2,416,397,823.98
  5. Step 5: Solve for x
    x = 2,416,397,823.98/74,277.39
  6. Step 6: Final answer
    x = 32,532.08

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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.