Home / 34,305.92-47,346.36-20,160.08

Finding the Fourth Proportional to 34,305.92, 47,346.36 and 20,160.08

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Solution

The fourth proportional to 34,305.92, 47,346.36 and 20,160.08 is: 27,823.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,305.92 : 47,346.36 = 20,160.08 : x
  2. Step 2: Convert to fraction form
    34,305.92/47,346.36 = 20,160.08/x
  3. Step 3: Cross multiply
    34,305.92x = 47,346.36 × 20,160.08
  4. Step 4: Simplify right side
    34,305.92x = 954,506,405.31
  5. Step 5: Solve for x
    x = 954,506,405.31/34,305.92
  6. Step 6: Final answer
    x = 27,823.37

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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.