Home / 31,749.60-47,617.38-12,027.72

Finding the Fourth Proportional to 31,749.60, 47,617.38 and 12,027.72

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Solution

The fourth proportional to 31,749.60, 47,617.38 and 12,027.72 is: 18,038.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,749.60 : 47,617.38 = 12,027.72 : x
  2. Step 2: Convert to fraction form
    31,749.60/47,617.38 = 12,027.72/x
  3. Step 3: Cross multiply
    31,749.60x = 47,617.38 × 12,027.72
  4. Step 4: Simplify right side
    31,749.60x = 572,728,513.77
  5. Step 5: Solve for x
    x = 572,728,513.77/31,749.60
  6. Step 6: Final answer
    x = 18,038.92

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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.