Home / 31,541.40-47,311.04-7,848.90

Finding the Fourth Proportional to 31,541.40, 47,311.04 and 7,848.90

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Solution

The fourth proportional to 31,541.40, 47,311.04 and 7,848.90 is: 11,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.40 : 47,311.04 = 7,848.90 : x
  2. Step 2: Convert to fraction form
    31,541.40/47,311.04 = 7,848.90/x
  3. Step 3: Cross multiply
    31,541.40x = 47,311.04 × 7,848.90
  4. Step 4: Simplify right side
    31,541.40x = 371,339,597.33
  5. Step 5: Solve for x
    x = 371,339,597.33/31,541.40
  6. Step 6: Final answer
    x = 11,773.09

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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.