Home / 54,260.34-81,395.55-16,820.70

Finding the Fourth Proportional to 54,260.34, 81,395.55 and 16,820.70

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Solution

The fourth proportional to 54,260.34, 81,395.55 and 16,820.70 is: 25,232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,260.34 : 81,395.55 = 16,820.70 : x
  2. Step 2: Convert to fraction form
    54,260.34/81,395.55 = 16,820.70/x
  3. Step 3: Cross multiply
    54,260.34x = 81,395.55 × 16,820.70
  4. Step 4: Simplify right side
    54,260.34x = 1,369,130,127.89
  5. Step 5: Solve for x
    x = 1,369,130,127.89/54,260.34
  6. Step 6: Final answer
    x = 25,232.61

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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.