Home / 35,809.04-49,412.52-19,889.84

Finding the Fourth Proportional to 35,809.04, 49,412.52 and 19,889.84

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Solution

The fourth proportional to 35,809.04, 49,412.52 and 19,889.84 is: 27,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.04 : 49,412.52 = 19,889.84 : x
  2. Step 2: Convert to fraction form
    35,809.04/49,412.52 = 19,889.84/x
  3. Step 3: Cross multiply
    35,809.04x = 49,412.52 × 19,889.84
  4. Step 4: Simplify right side
    35,809.04x = 982,807,116.80
  5. Step 5: Solve for x
    x = 982,807,116.80/35,809.04
  6. Step 6: Final answer
    x = 27,445.78

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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.