Home / 42,145.56-58,172.44-26,220.48

Finding the Fourth Proportional to 42,145.56, 58,172.44 and 26,220.48

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Solution

The fourth proportional to 42,145.56, 58,172.44 and 26,220.48 is: 36,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,145.56 : 58,172.44 = 26,220.48 : x
  2. Step 2: Convert to fraction form
    42,145.56/58,172.44 = 26,220.48/x
  3. Step 3: Cross multiply
    42,145.56x = 58,172.44 × 26,220.48
  4. Step 4: Simplify right side
    42,145.56x = 1,525,309,299.57
  5. Step 5: Solve for x
    x = 1,525,309,299.57/42,145.56
  6. Step 6: Final answer
    x = 36,191.46

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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.