Home / 36,044.10-49,740.93-20,128.50

Finding the Fourth Proportional to 36,044.10, 49,740.93 and 20,128.50

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Solution

The fourth proportional to 36,044.10, 49,740.93 and 20,128.50 is: 27,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,044.10 : 49,740.93 = 20,128.50 : x
  2. Step 2: Convert to fraction form
    36,044.10/49,740.93 = 20,128.50/x
  3. Step 3: Cross multiply
    36,044.10x = 49,740.93 × 20,128.50
  4. Step 4: Simplify right side
    36,044.10x = 1,001,210,309.51
  5. Step 5: Solve for x
    x = 1,001,210,309.51/36,044.10
  6. Step 6: Final answer
    x = 27,777.37

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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.