Home / 36,191.08-49,941.30-20,275.48

Finding the Fourth Proportional to 36,191.08, 49,941.30 and 20,275.48

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Solution

The fourth proportional to 36,191.08, 49,941.30 and 20,275.48 is: 27,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,191.08 : 49,941.30 = 20,275.48 : x
  2. Step 2: Convert to fraction form
    36,191.08/49,941.30 = 20,275.48/x
  3. Step 3: Cross multiply
    36,191.08x = 49,941.30 × 20,275.48
  4. Step 4: Simplify right side
    36,191.08x = 1,012,583,829.32
  5. Step 5: Solve for x
    x = 1,012,583,829.32/36,191.08
  6. Step 6: Final answer
    x = 27,978.82

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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.