Home / 57,704.47-86,543.34-18,254.23

Finding the Fourth Proportional to 57,704.47, 86,543.34 and 18,254.23

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Solution

The fourth proportional to 57,704.47, 86,543.34 and 18,254.23 is: 27,377.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,704.47 : 86,543.34 = 18,254.23 : x
  2. Step 2: Convert to fraction form
    57,704.47/86,543.34 = 18,254.23/x
  3. Step 3: Cross multiply
    57,704.47x = 86,543.34 × 18,254.23
  4. Step 4: Simplify right side
    57,704.47x = 1,579,782,033.33
  5. Step 5: Solve for x
    x = 1,579,782,033.33/57,704.47
  6. Step 6: Final answer
    x = 27,377.12

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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.