Home / 38,629.19-53,309.60-22,715.12

Finding the Fourth Proportional to 38,629.19, 53,309.60 and 22,715.12

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Solution

The fourth proportional to 38,629.19, 53,309.60 and 22,715.12 is: 31,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.19 : 53,309.60 = 22,715.12 : x
  2. Step 2: Convert to fraction form
    38,629.19/53,309.60 = 22,715.12/x
  3. Step 3: Cross multiply
    38,629.19x = 53,309.60 × 22,715.12
  4. Step 4: Simplify right side
    38,629.19x = 1,210,933,581.03
  5. Step 5: Solve for x
    x = 1,210,933,581.03/38,629.19
  6. Step 6: Final answer
    x = 31,347.63

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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.