Home / 31,513.74-47,269.64-12,793.32

Finding the Fourth Proportional to 31,513.74, 47,269.64 and 12,793.32

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Solution

The fourth proportional to 31,513.74, 47,269.64 and 12,793.32 is: 19,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.74 : 47,269.64 = 12,793.32 : x
  2. Step 2: Convert to fraction form
    31,513.74/47,269.64 = 12,793.32/x
  3. Step 3: Cross multiply
    31,513.74x = 47,269.64 × 12,793.32
  4. Step 4: Simplify right side
    31,513.74x = 604,735,662.79
  5. Step 5: Solve for x
    x = 604,735,662.79/31,513.74
  6. Step 6: Final answer
    x = 19,189.59

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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.