Home / 52,507.50-78,797.73-21,342.78

Finding the Fourth Proportional to 52,507.50, 78,797.73 and 21,342.78

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Solution

The fourth proportional to 52,507.50, 78,797.73 and 21,342.78 is: 32,029.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,507.50 : 78,797.73 = 21,342.78 : x
  2. Step 2: Convert to fraction form
    52,507.50/78,797.73 = 21,342.78/x
  3. Step 3: Cross multiply
    52,507.50x = 78,797.73 × 21,342.78
  4. Step 4: Simplify right side
    52,507.50x = 1,681,762,615.89
  5. Step 5: Solve for x
    x = 1,681,762,615.89/52,507.50
  6. Step 6: Final answer
    x = 32,029.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.