Home / 39,320.37-54,314.04-29,132.10

Finding the Fourth Proportional to 39,320.37, 54,314.04 and 29,132.10

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Solution

The fourth proportional to 39,320.37, 54,314.04 and 29,132.10 is: 40,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320.37 : 54,314.04 = 29,132.10 : x
  2. Step 2: Convert to fraction form
    39,320.37/54,314.04 = 29,132.10/x
  3. Step 3: Cross multiply
    39,320.37x = 54,314.04 × 29,132.10
  4. Step 4: Simplify right side
    39,320.37x = 1,582,282,044.68
  5. Step 5: Solve for x
    x = 1,582,282,044.68/39,320.37
  6. Step 6: Final answer
    x = 40,240.77

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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.