Home / 42,751.29-64,120.92-14,670.86

Finding the Fourth Proportional to 42,751.29, 64,120.92 and 14,670.86

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Solution

The fourth proportional to 42,751.29, 64,120.92 and 14,670.86 is: 22,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,751.29 : 64,120.92 = 14,670.86 : x
  2. Step 2: Convert to fraction form
    42,751.29/64,120.92 = 14,670.86/x
  3. Step 3: Cross multiply
    42,751.29x = 64,120.92 × 14,670.86
  4. Step 4: Simplify right side
    42,751.29x = 940,708,664.77
  5. Step 5: Solve for x
    x = 940,708,664.77/42,751.29
  6. Step 6: Final answer
    x = 22,004.22

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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.