Home / 36,042.77-49,741.47-20,126.88

Finding the Fourth Proportional to 36,042.77, 49,741.47 and 20,126.88

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Solution

The fourth proportional to 36,042.77, 49,741.47 and 20,126.88 is: 27,776.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.77 : 49,741.47 = 20,126.88 : x
  2. Step 2: Convert to fraction form
    36,042.77/49,741.47 = 20,126.88/x
  3. Step 3: Cross multiply
    36,042.77x = 49,741.47 × 20,126.88
  4. Step 4: Simplify right side
    36,042.77x = 1,001,140,597.71
  5. Step 5: Solve for x
    x = 1,001,140,597.71/36,042.77
  6. Step 6: Final answer
    x = 27,776.46

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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.