Home / 35,409.40-53,087.55-21,366.11

Finding the Fourth Proportional to 35,409.40, 53,087.55 and 21,366.11

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Solution

The fourth proportional to 35,409.40, 53,087.55 and 21,366.11 is: 32,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.40 : 53,087.55 = 21,366.11 : x
  2. Step 2: Convert to fraction form
    35,409.40/53,087.55 = 21,366.11/x
  3. Step 3: Cross multiply
    35,409.40x = 53,087.55 × 21,366.11
  4. Step 4: Simplify right side
    35,409.40x = 1,134,274,605.71
  5. Step 5: Solve for x
    x = 1,134,274,605.71/35,409.40
  6. Step 6: Final answer
    x = 32,033.15

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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.