Home / 43,137.11-64,707.86-13,555.24

Finding the Fourth Proportional to 43,137.11, 64,707.86 and 13,555.24

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Solution

The fourth proportional to 43,137.11, 64,707.86 and 13,555.24 is: 20,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.11 : 64,707.86 = 13,555.24 : x
  2. Step 2: Convert to fraction form
    43,137.11/64,707.86 = 13,555.24/x
  3. Step 3: Cross multiply
    43,137.11x = 64,707.86 × 13,555.24
  4. Step 4: Simplify right side
    43,137.11x = 877,130,444.30
  5. Step 5: Solve for x
    x = 877,130,444.30/43,137.11
  6. Step 6: Final answer
    x = 20,333.55

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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.