Home / 43,721.07-65,565.50-15,633.51

Finding the Fourth Proportional to 43,721.07, 65,565.50 and 15,633.51

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Solution

The fourth proportional to 43,721.07, 65,565.50 and 15,633.51 is: 23,444.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,721.07 : 65,565.50 = 15,633.51 : x
  2. Step 2: Convert to fraction form
    43,721.07/65,565.50 = 15,633.51/x
  3. Step 3: Cross multiply
    43,721.07x = 65,565.50 × 15,633.51
  4. Step 4: Simplify right side
    43,721.07x = 1,025,018,821.74
  5. Step 5: Solve for x
    x = 1,025,018,821.74/43,721.07
  6. Step 6: Final answer
    x = 23,444.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.