Home / 39,314.03-54,253.67-21,409.11

Finding the Fourth Proportional to 39,314.03, 54,253.67 and 21,409.11

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Solution

The fourth proportional to 39,314.03, 54,253.67 and 21,409.11 is: 29,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.03 : 54,253.67 = 21,409.11 : x
  2. Step 2: Convert to fraction form
    39,314.03/54,253.67 = 21,409.11/x
  3. Step 3: Cross multiply
    39,314.03x = 54,253.67 × 21,409.11
  4. Step 4: Simplify right side
    39,314.03x = 1,161,522,681.89
  5. Step 5: Solve for x
    x = 1,161,522,681.89/39,314.03
  6. Step 6: Final answer
    x = 29,544.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.