Home / 51,550.18-77,303.38-18,278.62

Finding the Fourth Proportional to 51,550.18, 77,303.38 and 18,278.62

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Solution

The fourth proportional to 51,550.18, 77,303.38 and 18,278.62 is: 27,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,550.18 : 77,303.38 = 18,278.62 : x
  2. Step 2: Convert to fraction form
    51,550.18/77,303.38 = 18,278.62/x
  3. Step 3: Cross multiply
    51,550.18x = 77,303.38 × 18,278.62
  4. Step 4: Simplify right side
    51,550.18x = 1,412,999,107.74
  5. Step 5: Solve for x
    x = 1,412,999,107.74/51,550.18
  6. Step 6: Final answer
    x = 27,410.17

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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.