Home / 43,200.86-64,707.52-20,967.51

Finding the Fourth Proportional to 43,200.86, 64,707.52 and 20,967.51

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Solution

The fourth proportional to 43,200.86, 64,707.52 and 20,967.51 is: 31,405.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,200.86 : 64,707.52 = 20,967.51 : x
  2. Step 2: Convert to fraction form
    43,200.86/64,707.52 = 20,967.51/x
  3. Step 3: Cross multiply
    43,200.86x = 64,707.52 × 20,967.51
  4. Step 4: Simplify right side
    43,200.86x = 1,356,755,572.68
  5. Step 5: Solve for x
    x = 1,356,755,572.68/43,200.86
  6. Step 6: Final answer
    x = 31,405.75

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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.