Home / 36,628.02-54,945.27-19,980.90

Finding the Fourth Proportional to 36,628.02, 54,945.27 and 19,980.90

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Solution

The fourth proportional to 36,628.02, 54,945.27 and 19,980.90 is: 29,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,628.02 : 54,945.27 = 19,980.90 : x
  2. Step 2: Convert to fraction form
    36,628.02/54,945.27 = 19,980.90/x
  3. Step 3: Cross multiply
    36,628.02x = 54,945.27 × 19,980.90
  4. Step 4: Simplify right side
    36,628.02x = 1,097,855,945.34
  5. Step 5: Solve for x
    x = 1,097,855,945.34/36,628.02
  6. Step 6: Final answer
    x = 29,973.12

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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.