Home / 31,344.01-47,015.55-12,623.56

Finding the Fourth Proportional to 31,344.01, 47,015.55 and 12,623.56

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Solution

The fourth proportional to 31,344.01, 47,015.55 and 12,623.56 is: 18,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.01 : 47,015.55 = 12,623.56 : x
  2. Step 2: Convert to fraction form
    31,344.01/47,015.55 = 12,623.56/x
  3. Step 3: Cross multiply
    31,344.01x = 47,015.55 × 12,623.56
  4. Step 4: Simplify right side
    31,344.01x = 593,503,498.82
  5. Step 5: Solve for x
    x = 593,503,498.82/31,344.01
  6. Step 6: Final answer
    x = 18,935.15

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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.