Home / 58,704.12-81,009.45-31,845.69

Finding the Fourth Proportional to 58,704.12, 81,009.45 and 31,845.69

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Solution

The fourth proportional to 58,704.12, 81,009.45 and 31,845.69 is: 43,945.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,704.12 : 81,009.45 = 31,845.69 : x
  2. Step 2: Convert to fraction form
    58,704.12/81,009.45 = 31,845.69/x
  3. Step 3: Cross multiply
    58,704.12x = 81,009.45 × 31,845.69
  4. Step 4: Simplify right side
    58,704.12x = 2,579,801,831.77
  5. Step 5: Solve for x
    x = 2,579,801,831.77/58,704.12
  6. Step 6: Final answer
    x = 43,945.84

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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.