Home / 35,400.57-48,863.11-21,070.45

Finding the Fourth Proportional to 35,400.57, 48,863.11 and 21,070.45

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Solution

The fourth proportional to 35,400.57, 48,863.11 and 21,070.45 is: 29,083.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,400.57 : 48,863.11 = 21,070.45 : x
  2. Step 2: Convert to fraction form
    35,400.57/48,863.11 = 21,070.45/x
  3. Step 3: Cross multiply
    35,400.57x = 48,863.11 × 21,070.45
  4. Step 4: Simplify right side
    35,400.57x = 1,029,567,716.10
  5. Step 5: Solve for x
    x = 1,029,567,716.10/35,400.57
  6. Step 6: Final answer
    x = 29,083.37

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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.