Home / 35,531.20-49,032.15-19,615.33

Finding the Fourth Proportional to 35,531.20, 49,032.15 and 19,615.33

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Solution

The fourth proportional to 35,531.20, 49,032.15 and 19,615.33 is: 27,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.20 : 49,032.15 = 19,615.33 : x
  2. Step 2: Convert to fraction form
    35,531.20/49,032.15 = 19,615.33/x
  3. Step 3: Cross multiply
    35,531.20x = 49,032.15 × 19,615.33
  4. Step 4: Simplify right side
    35,531.20x = 961,781,802.86
  5. Step 5: Solve for x
    x = 961,781,802.86/35,531.20
  6. Step 6: Final answer
    x = 27,068.66

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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.