Home / 35,803.20-49,407-19,886.88

Finding the Fourth Proportional to 35,803.20, 49,407 and 19,886.88

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Solution

The fourth proportional to 35,803.20, 49,407 and 19,886.88 is: 27,443.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.20 : 49,407 = 19,886.88 : x
  2. Step 2: Convert to fraction form
    35,803.20/49,407 = 19,886.88/x
  3. Step 3: Cross multiply
    35,803.20x = 49,407 × 19,886.88
  4. Step 4: Simplify right side
    35,803.20x = 982,551,080.16
  5. Step 5: Solve for x
    x = 982,551,080.16/35,803.20
  6. Step 6: Final answer
    x = 27,443.11

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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.