Home / 40,204.70-55,485.42-22,303.09

Finding the Fourth Proportional to 40,204.70, 55,485.42 and 22,303.09

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Solution

The fourth proportional to 40,204.70, 55,485.42 and 22,303.09 is: 30,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,204.70 : 55,485.42 = 22,303.09 : x
  2. Step 2: Convert to fraction form
    40,204.70/55,485.42 = 22,303.09/x
  3. Step 3: Cross multiply
    40,204.70x = 55,485.42 × 22,303.09
  4. Step 4: Simplify right side
    40,204.70x = 1,237,496,038.52
  5. Step 5: Solve for x
    x = 1,237,496,038.52/40,204.70
  6. Step 6: Final answer
    x = 30,779.89

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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.