Home / 43,025.36-64,536.21-17,721.77

Finding the Fourth Proportional to 43,025.36, 64,536.21 and 17,721.77

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Solution

The fourth proportional to 43,025.36, 64,536.21 and 17,721.77 is: 26,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,025.36 : 64,536.21 = 17,721.77 : x
  2. Step 2: Convert to fraction form
    43,025.36/64,536.21 = 17,721.77/x
  3. Step 3: Cross multiply
    43,025.36x = 64,536.21 × 17,721.77
  4. Step 4: Simplify right side
    43,025.36x = 1,143,695,547.61
  5. Step 5: Solve for x
    x = 1,143,695,547.61/43,025.36
  6. Step 6: Final answer
    x = 26,581.90

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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.