Home / 35,636.90-49,178.22-19,722.02

Finding the Fourth Proportional to 35,636.90, 49,178.22 and 19,722.02

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Solution

The fourth proportional to 35,636.90, 49,178.22 and 19,722.02 is: 27,216.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.90 : 49,178.22 = 19,722.02 : x
  2. Step 2: Convert to fraction form
    35,636.90/49,178.22 = 19,722.02/x
  3. Step 3: Cross multiply
    35,636.90x = 49,178.22 × 19,722.02
  4. Step 4: Simplify right side
    35,636.90x = 969,893,838.40
  5. Step 5: Solve for x
    x = 969,893,838.40/35,636.90
  6. Step 6: Final answer
    x = 27,216.00

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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.