Home / 32,639.05-45,042.77-18,491.79

Finding the Fourth Proportional to 32,639.05, 45,042.77 and 18,491.79

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Solution

The fourth proportional to 32,639.05, 45,042.77 and 18,491.79 is: 25,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.05 : 45,042.77 = 18,491.79 : x
  2. Step 2: Convert to fraction form
    32,639.05/45,042.77 = 18,491.79/x
  3. Step 3: Cross multiply
    32,639.05x = 45,042.77 × 18,491.79
  4. Step 4: Simplify right side
    32,639.05x = 832,921,443.86
  5. Step 5: Solve for x
    x = 832,921,443.86/32,639.05
  6. Step 6: Final answer
    x = 25,519.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.