Home / 35,555.26-49,068.30-21,412.66

Finding the Fourth Proportional to 35,555.26, 49,068.30 and 21,412.66

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Solution

The fourth proportional to 35,555.26, 49,068.30 and 21,412.66 is: 29,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.26 : 49,068.30 = 21,412.66 : x
  2. Step 2: Convert to fraction form
    35,555.26/49,068.30 = 21,412.66/x
  3. Step 3: Cross multiply
    35,555.26x = 49,068.30 × 21,412.66
  4. Step 4: Simplify right side
    35,555.26x = 1,050,682,824.68
  5. Step 5: Solve for x
    x = 1,050,682,824.68/35,555.26
  6. Step 6: Final answer
    x = 29,550.70

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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.