Home / 47,702.16-65,831.27-27,561.72

Finding the Fourth Proportional to 47,702.16, 65,831.27 and 27,561.72

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Solution

The fourth proportional to 47,702.16, 65,831.27 and 27,561.72 is: 38,036.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,702.16 : 65,831.27 = 27,561.72 : x
  2. Step 2: Convert to fraction form
    47,702.16/65,831.27 = 27,561.72/x
  3. Step 3: Cross multiply
    47,702.16x = 65,831.27 × 27,561.72
  4. Step 4: Simplify right side
    47,702.16x = 1,814,422,893.18
  5. Step 5: Solve for x
    x = 1,814,422,893.18/47,702.16
  6. Step 6: Final answer
    x = 38,036.49

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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.