Home / 36,890.08-55,318.80-10,588.72

Finding the Fourth Proportional to 36,890.08, 55,318.80 and 10,588.72

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Solution

The fourth proportional to 36,890.08, 55,318.80 and 10,588.72 is: 15,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,890.08 : 55,318.80 = 10,588.72 : x
  2. Step 2: Convert to fraction form
    36,890.08/55,318.80 = 10,588.72/x
  3. Step 3: Cross multiply
    36,890.08x = 55,318.80 × 10,588.72
  4. Step 4: Simplify right side
    36,890.08x = 585,755,283.94
  5. Step 5: Solve for x
    x = 585,755,283.94/36,890.08
  6. Step 6: Final answer
    x = 15,878.40

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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.