Home / 31,954.01-47,931.31-8,580.44

Finding the Fourth Proportional to 31,954.01, 47,931.31 and 8,580.44

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Solution

The fourth proportional to 31,954.01, 47,931.31 and 8,580.44 is: 12,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,954.01 : 47,931.31 = 8,580.44 : x
  2. Step 2: Convert to fraction form
    31,954.01/47,931.31 = 8,580.44/x
  3. Step 3: Cross multiply
    31,954.01x = 47,931.31 × 8,580.44
  4. Step 4: Simplify right side
    31,954.01x = 411,271,860.13
  5. Step 5: Solve for x
    x = 411,271,860.13/31,954.01
  6. Step 6: Final answer
    x = 12,870.75

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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.