Home / 45,421.79-68,133.08-15,839.57

Finding the Fourth Proportional to 45,421.79, 68,133.08 and 15,839.57

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Solution

The fourth proportional to 45,421.79, 68,133.08 and 15,839.57 is: 23,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,421.79 : 68,133.08 = 15,839.57 : x
  2. Step 2: Convert to fraction form
    45,421.79/68,133.08 = 15,839.57/x
  3. Step 3: Cross multiply
    45,421.79x = 68,133.08 × 15,839.57
  4. Step 4: Simplify right side
    45,421.79x = 1,079,198,899.91
  5. Step 5: Solve for x
    x = 1,079,198,899.91/45,421.79
  6. Step 6: Final answer
    x = 23,759.50

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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.