Home / 35,914.16-49,564.26-20,810.90

Finding the Fourth Proportional to 35,914.16, 49,564.26 and 20,810.90

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Solution

The fourth proportional to 35,914.16, 49,564.26 and 20,810.90 is: 28,720.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,914.16 : 49,564.26 = 20,810.90 : x
  2. Step 2: Convert to fraction form
    35,914.16/49,564.26 = 20,810.90/x
  3. Step 3: Cross multiply
    35,914.16x = 49,564.26 × 20,810.90
  4. Step 4: Simplify right side
    35,914.16x = 1,031,476,858.43
  5. Step 5: Solve for x
    x = 1,031,476,858.43/35,914.16
  6. Step 6: Final answer
    x = 28,720.62

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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.