Home / 39,828.08-54,956.32-22,829.20

Finding the Fourth Proportional to 39,828.08, 54,956.32 and 22,829.20

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Solution

The fourth proportional to 39,828.08, 54,956.32 and 22,829.20 is: 31,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.08 : 54,956.32 = 22,829.20 : x
  2. Step 2: Convert to fraction form
    39,828.08/54,956.32 = 22,829.20/x
  3. Step 3: Cross multiply
    39,828.08x = 54,956.32 × 22,829.20
  4. Step 4: Simplify right side
    39,828.08x = 1,254,608,740.23
  5. Step 5: Solve for x
    x = 1,254,608,740.23/39,828.08
  6. Step 6: Final answer
    x = 31,500.61

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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.