Home / 38,039.68-57,037.92-31,838.32

Finding the Fourth Proportional to 38,039.68, 57,037.92 and 31,838.32

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Solution

The fourth proportional to 38,039.68, 57,037.92 and 31,838.32 is: 47,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.68 : 57,037.92 = 31,838.32 : x
  2. Step 2: Convert to fraction form
    38,039.68/57,037.92 = 31,838.32/x
  3. Step 3: Cross multiply
    38,039.68x = 57,037.92 × 31,838.32
  4. Step 4: Simplify right side
    38,039.68x = 1,815,991,549.09
  5. Step 5: Solve for x
    x = 1,815,991,549.09/38,039.68
  6. Step 6: Final answer
    x = 47,739.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.