Home / 55,767.19-83,633.04-18,318.57

Finding the Fourth Proportional to 55,767.19, 83,633.04 and 18,318.57

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Solution

The fourth proportional to 55,767.19, 83,633.04 and 18,318.57 is: 27,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767.19 : 83,633.04 = 18,318.57 : x
  2. Step 2: Convert to fraction form
    55,767.19/83,633.04 = 18,318.57/x
  3. Step 3: Cross multiply
    55,767.19x = 83,633.04 × 18,318.57
  4. Step 4: Simplify right side
    55,767.19x = 1,532,038,108.06
  5. Step 5: Solve for x
    x = 1,532,038,108.06/55,767.19
  6. Step 6: Final answer
    x = 27,472.03

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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.