Home / 45,809.40-63,218.79-25,666.45

Finding the Fourth Proportional to 45,809.40, 63,218.79 and 25,666.45

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Solution

The fourth proportional to 45,809.40, 63,218.79 and 25,666.45 is: 35,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,809.40 : 63,218.79 = 25,666.45 : x
  2. Step 2: Convert to fraction form
    45,809.40/63,218.79 = 25,666.45/x
  3. Step 3: Cross multiply
    45,809.40x = 63,218.79 × 25,666.45
  4. Step 4: Simplify right side
    45,809.40x = 1,622,601,912.60
  5. Step 5: Solve for x
    x = 1,622,601,912.60/45,809.40
  6. Step 6: Final answer
    x = 35,420.72

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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.