Home / 58,126.36-87,201.84-18,686.55

Finding the Fourth Proportional to 58,126.36, 87,201.84 and 18,686.55

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Solution

The fourth proportional to 58,126.36, 87,201.84 and 18,686.55 is: 28,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,126.36 : 87,201.84 = 18,686.55 : x
  2. Step 2: Convert to fraction form
    58,126.36/87,201.84 = 18,686.55/x
  3. Step 3: Cross multiply
    58,126.36x = 87,201.84 × 18,686.55
  4. Step 4: Simplify right side
    58,126.36x = 1,629,501,397.27
  5. Step 5: Solve for x
    x = 1,629,501,397.27/58,126.36
  6. Step 6: Final answer
    x = 28,033.78

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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.