Home / 39,299.18-54,231.26-22,303.08

Finding the Fourth Proportional to 39,299.18, 54,231.26 and 22,303.08

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Solution

The fourth proportional to 39,299.18, 54,231.26 and 22,303.08 is: 30,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,299.18 : 54,231.26 = 22,303.08 : x
  2. Step 2: Convert to fraction form
    39,299.18/54,231.26 = 22,303.08/x
  3. Step 3: Cross multiply
    39,299.18x = 54,231.26 × 22,303.08
  4. Step 4: Simplify right side
    39,299.18x = 1,209,524,018.77
  5. Step 5: Solve for x
    x = 1,209,524,018.77/39,299.18
  6. Step 6: Final answer
    x = 30,777.34

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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.