Home / 47,718.12-65,837.70-29,831.34

Finding the Fourth Proportional to 47,718.12, 65,837.70 and 29,831.34

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Solution

The fourth proportional to 47,718.12, 65,837.70 and 29,831.34 is: 41,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.12 : 65,837.70 = 29,831.34 : x
  2. Step 2: Convert to fraction form
    47,718.12/65,837.70 = 29,831.34/x
  3. Step 3: Cross multiply
    47,718.12x = 65,837.70 × 29,831.34
  4. Step 4: Simplify right side
    47,718.12x = 1,964,026,813.52
  5. Step 5: Solve for x
    x = 1,964,026,813.52/47,718.12
  6. Step 6: Final answer
    x = 41,158.93

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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.