Home / 31,541.60-47,311.37-12,816.10

Finding the Fourth Proportional to 31,541.60, 47,311.37 and 12,816.10

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Solution

The fourth proportional to 31,541.60, 47,311.37 and 12,816.10 is: 19,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,541.60 : 47,311.37 = 12,816.10 : x
  2. Step 2: Convert to fraction form
    31,541.60/47,311.37 = 12,816.10/x
  3. Step 3: Cross multiply
    31,541.60x = 47,311.37 × 12,816.10
  4. Step 4: Simplify right side
    31,541.60x = 606,347,249.06
  5. Step 5: Solve for x
    x = 606,347,249.06/31,541.60
  6. Step 6: Final answer
    x = 19,223.73

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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.