Home / 36,681.20-55,005.60-14,487.20

Finding the Fourth Proportional to 36,681.20, 55,005.60 and 14,487.20

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Solution

The fourth proportional to 36,681.20, 55,005.60 and 14,487.20 is: 21,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,681.20 : 55,005.60 = 14,487.20 : x
  2. Step 2: Convert to fraction form
    36,681.20/55,005.60 = 14,487.20/x
  3. Step 3: Cross multiply
    36,681.20x = 55,005.60 × 14,487.20
  4. Step 4: Simplify right side
    36,681.20x = 796,877,128.32
  5. Step 5: Solve for x
    x = 796,877,128.32/36,681.20
  6. Step 6: Final answer
    x = 21,724.40

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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.