Home / 35,918.11-49,566.72-20,810.45

Finding the Fourth Proportional to 35,918.11, 49,566.72 and 20,810.45

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Solution

The fourth proportional to 35,918.11, 49,566.72 and 20,810.45 is: 28,718.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.11 : 49,566.72 = 20,810.45 : x
  2. Step 2: Convert to fraction form
    35,918.11/49,566.72 = 20,810.45/x
  3. Step 3: Cross multiply
    35,918.11x = 49,566.72 × 20,810.45
  4. Step 4: Simplify right side
    35,918.11x = 1,031,505,748.22
  5. Step 5: Solve for x
    x = 1,031,505,748.22/35,918.11
  6. Step 6: Final answer
    x = 28,718.26

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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.