Home / 34,822.72-48,039.28-20,667.52

Finding the Fourth Proportional to 34,822.72, 48,039.28 and 20,667.52

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Solution

The fourth proportional to 34,822.72, 48,039.28 and 20,667.52 is: 28,511.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,822.72 : 48,039.28 = 20,667.52 : x
  2. Step 2: Convert to fraction form
    34,822.72/48,039.28 = 20,667.52/x
  3. Step 3: Cross multiply
    34,822.72x = 48,039.28 × 20,667.52
  4. Step 4: Simplify right side
    34,822.72x = 992,852,780.19
  5. Step 5: Solve for x
    x = 992,852,780.19/34,822.72
  6. Step 6: Final answer
    x = 28,511.64

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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.