Home / 38,785.81-53,530.21-23,687.16

Finding the Fourth Proportional to 38,785.81, 53,530.21 and 23,687.16

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Solution

The fourth proportional to 38,785.81, 53,530.21 and 23,687.16 is: 32,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,785.81 : 53,530.21 = 23,687.16 : x
  2. Step 2: Convert to fraction form
    38,785.81/53,530.21 = 23,687.16/x
  3. Step 3: Cross multiply
    38,785.81x = 53,530.21 × 23,687.16
  4. Step 4: Simplify right side
    38,785.81x = 1,267,978,263.02
  5. Step 5: Solve for x
    x = 1,267,978,263.02/38,785.81
  6. Step 6: Final answer
    x = 32,691.81

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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.