Home / 35,641.90-49,184.31-19,724.86

Finding the Fourth Proportional to 35,641.90, 49,184.31 and 19,724.86

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Solution

The fourth proportional to 35,641.90, 49,184.31 and 19,724.86 is: 27,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.90 : 49,184.31 = 19,724.86 : x
  2. Step 2: Convert to fraction form
    35,641.90/49,184.31 = 19,724.86/x
  3. Step 3: Cross multiply
    35,641.90x = 49,184.31 × 19,724.86
  4. Step 4: Simplify right side
    35,641.90x = 970,153,628.95
  5. Step 5: Solve for x
    x = 970,153,628.95/35,641.90
  6. Step 6: Final answer
    x = 27,219.47

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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.