Home / 35,718.15-53,478.81-18,101.87

Finding the Fourth Proportional to 35,718.15, 53,478.81 and 18,101.87

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Solution

The fourth proportional to 35,718.15, 53,478.81 and 18,101.87 is: 27,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.15 : 53,478.81 = 18,101.87 : x
  2. Step 2: Convert to fraction form
    35,718.15/53,478.81 = 18,101.87/x
  3. Step 3: Cross multiply
    35,718.15x = 53,478.81 × 18,101.87
  4. Step 4: Simplify right side
    35,718.15x = 968,066,198.98
  5. Step 5: Solve for x
    x = 968,066,198.98/35,718.15
  6. Step 6: Final answer
    x = 27,102.92

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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.