Home / 55,153.93-82,754.22-30,164.80

Finding the Fourth Proportional to 55,153.93, 82,754.22 and 30,164.80

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Solution

The fourth proportional to 55,153.93, 82,754.22 and 30,164.80 is: 45,259.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.93 : 82,754.22 = 30,164.80 : x
  2. Step 2: Convert to fraction form
    55,153.93/82,754.22 = 30,164.80/x
  3. Step 3: Cross multiply
    55,153.93x = 82,754.22 × 30,164.80
  4. Step 4: Simplify right side
    55,153.93x = 2,496,264,495.46
  5. Step 5: Solve for x
    x = 2,496,264,495.46/55,153.93
  6. Step 6: Final answer
    x = 45,259.96

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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.