Home / 36,043.10-49,739.55-20,127.50

Finding the Fourth Proportional to 36,043.10, 49,739.55 and 20,127.50

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Solution

The fourth proportional to 36,043.10, 49,739.55 and 20,127.50 is: 27,775.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,043.10 : 49,739.55 = 20,127.50 : x
  2. Step 2: Convert to fraction form
    36,043.10/49,739.55 = 20,127.50/x
  3. Step 3: Cross multiply
    36,043.10x = 49,739.55 × 20,127.50
  4. Step 4: Simplify right side
    36,043.10x = 1,001,132,792.63
  5. Step 5: Solve for x
    x = 1,001,132,792.63/36,043.10
  6. Step 6: Final answer
    x = 27,775.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.