Home / 36,540.74-54,790.10-14,328.10

Finding the Fourth Proportional to 36,540.74, 54,790.10 and 14,328.10

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Solution

The fourth proportional to 36,540.74, 54,790.10 and 14,328.10 is: 21,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,540.74 : 54,790.10 = 14,328.10 : x
  2. Step 2: Convert to fraction form
    36,540.74/54,790.10 = 14,328.10/x
  3. Step 3: Cross multiply
    36,540.74x = 54,790.10 × 14,328.10
  4. Step 4: Simplify right side
    36,540.74x = 785,038,031.81
  5. Step 5: Solve for x
    x = 785,038,031.81/36,540.74
  6. Step 6: Final answer
    x = 21,483.91

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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.