Home / 36,647.10-54,970.65-13,270.50

Finding the Fourth Proportional to 36,647.10, 54,970.65 and 13,270.50

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Solution

The fourth proportional to 36,647.10, 54,970.65 and 13,270.50 is: 19,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,647.10 : 54,970.65 = 13,270.50 : x
  2. Step 2: Convert to fraction form
    36,647.10/54,970.65 = 13,270.50/x
  3. Step 3: Cross multiply
    36,647.10x = 54,970.65 × 13,270.50
  4. Step 4: Simplify right side
    36,647.10x = 729,488,010.83
  5. Step 5: Solve for x
    x = 729,488,010.83/36,647.10
  6. Step 6: Final answer
    x = 19,905.75

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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.