Home / 38,696.91-53,412.81-22,790.58

Finding the Fourth Proportional to 38,696.91, 53,412.81 and 22,790.58

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Solution

The fourth proportional to 38,696.91, 53,412.81 and 22,790.58 is: 31,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.91 : 53,412.81 = 22,790.58 : x
  2. Step 2: Convert to fraction form
    38,696.91/53,412.81 = 22,790.58/x
  3. Step 3: Cross multiply
    38,696.91x = 53,412.81 × 22,790.58
  4. Step 4: Simplify right side
    38,696.91x = 1,217,308,919.33
  5. Step 5: Solve for x
    x = 1,217,308,919.33/38,696.91
  6. Step 6: Final answer
    x = 31,457.52

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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.