Home / 39,777.24-59,659.38-12,075.24

Finding the Fourth Proportional to 39,777.24, 59,659.38 and 12,075.24

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Solution

The fourth proportional to 39,777.24, 59,659.38 and 12,075.24 is: 18,110.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,777.24 : 59,659.38 = 12,075.24 : x
  2. Step 2: Convert to fraction form
    39,777.24/59,659.38 = 12,075.24/x
  3. Step 3: Cross multiply
    39,777.24x = 59,659.38 × 12,075.24
  4. Step 4: Simplify right side
    39,777.24x = 720,401,331.75
  5. Step 5: Solve for x
    x = 720,401,331.75/39,777.24
  6. Step 6: Final answer
    x = 18,110.89

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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.