Home / 34,667.68-47,844.12-20,528.32

Finding the Fourth Proportional to 34,667.68, 47,844.12 and 20,528.32

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Solution

The fourth proportional to 34,667.68, 47,844.12 and 20,528.32 is: 28,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,667.68 : 47,844.12 = 20,528.32 : x
  2. Step 2: Convert to fraction form
    34,667.68/47,844.12 = 20,528.32/x
  3. Step 3: Cross multiply
    34,667.68x = 47,844.12 × 20,528.32
  4. Step 4: Simplify right side
    34,667.68x = 982,159,405.48
  5. Step 5: Solve for x
    x = 982,159,405.48/34,667.68
  6. Step 6: Final answer
    x = 28,330.69

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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.