Home / 31,344.53-47,017.10-7,970.97

Finding the Fourth Proportional to 31,344.53, 47,017.10 and 7,970.97

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Solution

The fourth proportional to 31,344.53, 47,017.10 and 7,970.97 is: 11,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.53 : 47,017.10 = 7,970.97 : x
  2. Step 2: Convert to fraction form
    31,344.53/47,017.10 = 7,970.97/x
  3. Step 3: Cross multiply
    31,344.53x = 47,017.10 × 7,970.97
  4. Step 4: Simplify right side
    31,344.53x = 374,771,893.59
  5. Step 5: Solve for x
    x = 374,771,893.59/31,344.53
  6. Step 6: Final answer
    x = 11,956.53

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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.