Home / 75,674.16-113,502.60-20,265.84

Finding the Fourth Proportional to 75,674.16, 113,502.60 and 20,265.84

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Solution

The fourth proportional to 75,674.16, 113,502.60 and 20,265.84 is: 30,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,674.16 : 113,502.60 = 20,265.84 : x
  2. Step 2: Convert to fraction form
    75,674.16/113,502.60 = 20,265.84/x
  3. Step 3: Cross multiply
    75,674.16x = 113,502.60 × 20,265.84
  4. Step 4: Simplify right side
    75,674.16x = 2,300,225,531.18
  5. Step 5: Solve for x
    x = 2,300,225,531.18/75,674.16
  6. Step 6: Final answer
    x = 30,396.45

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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.