Home / 40,752.29-61,128.66-18,550.14

Finding the Fourth Proportional to 40,752.29, 61,128.66 and 18,550.14

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Solution

The fourth proportional to 40,752.29, 61,128.66 and 18,550.14 is: 27,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.29 : 61,128.66 = 18,550.14 : x
  2. Step 2: Convert to fraction form
    40,752.29/61,128.66 = 18,550.14/x
  3. Step 3: Cross multiply
    40,752.29x = 61,128.66 × 18,550.14
  4. Step 4: Simplify right side
    40,752.29x = 1,133,944,802.62
  5. Step 5: Solve for x
    x = 1,133,944,802.62/40,752.29
  6. Step 6: Final answer
    x = 27,825.31

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1.5x scale

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.