Home / 40,812.36-61,218.45-14,518.14

Finding the Fourth Proportional to 40,812.36, 61,218.45 and 14,518.14

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Solution

The fourth proportional to 40,812.36, 61,218.45 and 14,518.14 is: 21,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812.36 : 61,218.45 = 14,518.14 : x
  2. Step 2: Convert to fraction form
    40,812.36/61,218.45 = 14,518.14/x
  3. Step 3: Cross multiply
    40,812.36x = 61,218.45 × 14,518.14
  4. Step 4: Simplify right side
    40,812.36x = 888,778,027.68
  5. Step 5: Solve for x
    x = 888,778,027.68/40,812.36
  6. Step 6: Final answer
    x = 21,777.18

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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.