Home / 47,286.09-70,881.27-30,656.69

Finding the Fourth Proportional to 47,286.09, 70,881.27 and 30,656.69

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Solution

The fourth proportional to 47,286.09, 70,881.27 and 30,656.69 is: 45,954.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.09 : 70,881.27 = 30,656.69 : x
  2. Step 2: Convert to fraction form
    47,286.09/70,881.27 = 30,656.69/x
  3. Step 3: Cross multiply
    47,286.09x = 70,881.27 × 30,656.69
  4. Step 4: Simplify right side
    47,286.09x = 2,172,984,766.79
  5. Step 5: Solve for x
    x = 2,172,984,766.79/47,286.09
  6. Step 6: Final answer
    x = 45,954.00

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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.