Home / 54,820.07-82,240.47-17,389.56

Finding the Fourth Proportional to 54,820.07, 82,240.47 and 17,389.56

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Solution

The fourth proportional to 54,820.07, 82,240.47 and 17,389.56 is: 26,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,820.07 : 82,240.47 = 17,389.56 : x
  2. Step 2: Convert to fraction form
    54,820.07/82,240.47 = 17,389.56/x
  3. Step 3: Cross multiply
    54,820.07x = 82,240.47 × 17,389.56
  4. Step 4: Simplify right side
    54,820.07x = 1,430,125,500.55
  5. Step 5: Solve for x
    x = 1,430,125,500.55/54,820.07
  6. Step 6: Final answer
    x = 26,087.63

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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.