Home / 35,074.35-48,399.93-21,640.50

Finding the Fourth Proportional to 35,074.35, 48,399.93 and 21,640.50

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Solution

The fourth proportional to 35,074.35, 48,399.93 and 21,640.50 is: 29,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,074.35 : 48,399.93 = 21,640.50 : x
  2. Step 2: Convert to fraction form
    35,074.35/48,399.93 = 21,640.50/x
  3. Step 3: Cross multiply
    35,074.35x = 48,399.93 × 21,640.50
  4. Step 4: Simplify right side
    35,074.35x = 1,047,398,685.17
  5. Step 5: Solve for x
    x = 1,047,398,685.17/35,074.35
  6. Step 6: Final answer
    x = 29,862.24

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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.