Home / 53,358.10-73,639.32-29,486.38

Finding the Fourth Proportional to 53,358.10, 73,639.32 and 29,486.38

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Solution

The fourth proportional to 53,358.10, 73,639.32 and 29,486.38 is: 40,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,358.10 : 73,639.32 = 29,486.38 : x
  2. Step 2: Convert to fraction form
    53,358.10/73,639.32 = 29,486.38/x
  3. Step 3: Cross multiply
    53,358.10x = 73,639.32 × 29,486.38
  4. Step 4: Simplify right side
    53,358.10x = 2,171,356,972.46
  5. Step 5: Solve for x
    x = 2,171,356,972.46/53,358.10
  6. Step 6: Final answer
    x = 40,694.05

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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.