Home / 35,530.89-49,032.49-19,615.21

Finding the Fourth Proportional to 35,530.89, 49,032.49 and 19,615.21

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Solution

The fourth proportional to 35,530.89, 49,032.49 and 19,615.21 is: 27,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.89 : 49,032.49 = 19,615.21 : x
  2. Step 2: Convert to fraction form
    35,530.89/49,032.49 = 19,615.21/x
  3. Step 3: Cross multiply
    35,530.89x = 49,032.49 × 19,615.21
  4. Step 4: Simplify right side
    35,530.89x = 961,782,588.17
  5. Step 5: Solve for x
    x = 961,782,588.17/35,530.89
  6. Step 6: Final answer
    x = 27,068.91

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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.