Home / 38,652.19-53,340.02-21,885.19

Finding the Fourth Proportional to 38,652.19, 53,340.02 and 21,885.19

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Solution

The fourth proportional to 38,652.19, 53,340.02 and 21,885.19 is: 30,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.19 : 53,340.02 = 21,885.19 : x
  2. Step 2: Convert to fraction form
    38,652.19/53,340.02 = 21,885.19/x
  3. Step 3: Cross multiply
    38,652.19x = 53,340.02 × 21,885.19
  4. Step 4: Simplify right side
    38,652.19x = 1,167,356,311.60
  5. Step 5: Solve for x
    x = 1,167,356,311.60/38,652.19
  6. Step 6: Final answer
    x = 30,201.56

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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.