Home / 38,931.64-53,661.14-27,586.60

Finding the Fourth Proportional to 38,931.64, 53,661.14 and 27,586.60

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Solution

The fourth proportional to 38,931.64, 53,661.14 and 27,586.60 is: 38,023.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,931.64 : 53,661.14 = 27,586.60 : x
  2. Step 2: Convert to fraction form
    38,931.64/53,661.14 = 27,586.60/x
  3. Step 3: Cross multiply
    38,931.64x = 53,661.14 × 27,586.60
  4. Step 4: Simplify right side
    38,931.64x = 1,480,328,404.72
  5. Step 5: Solve for x
    x = 1,480,328,404.72/38,931.64
  6. Step 6: Final answer
    x = 38,023.79

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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.