Home / 36,980.72-55,492.96-13,623.60

Finding the Fourth Proportional to 36,980.72, 55,492.96 and 13,623.60

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Solution

The fourth proportional to 36,980.72, 55,492.96 and 13,623.60 is: 20,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.72 : 55,492.96 = 13,623.60 : x
  2. Step 2: Convert to fraction form
    36,980.72/55,492.96 = 13,623.60/x
  3. Step 3: Cross multiply
    36,980.72x = 55,492.96 × 13,623.60
  4. Step 4: Simplify right side
    36,980.72x = 756,013,889.86
  5. Step 5: Solve for x
    x = 756,013,889.86/36,980.72
  6. Step 6: Final answer
    x = 20,443.46

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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.