Home / 37,512.61-51,765.28-20,513.48

Finding the Fourth Proportional to 37,512.61, 51,765.28 and 20,513.48

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Solution

The fourth proportional to 37,512.61, 51,765.28 and 20,513.48 is: 28,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,512.61 : 51,765.28 = 20,513.48 : x
  2. Step 2: Convert to fraction form
    37,512.61/51,765.28 = 20,513.48/x
  3. Step 3: Cross multiply
    37,512.61x = 51,765.28 × 20,513.48
  4. Step 4: Simplify right side
    37,512.61x = 1,061,885,725.86
  5. Step 5: Solve for x
    x = 1,061,885,725.86/37,512.61
  6. Step 6: Final answer
    x = 28,307.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.