Home / 35,615.04-49,136.64-21,279.26

Finding the Fourth Proportional to 35,615.04, 49,136.64 and 21,279.26

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Solution

The fourth proportional to 35,615.04, 49,136.64 and 21,279.26 is: 29,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.04 : 49,136.64 = 21,279.26 : x
  2. Step 2: Convert to fraction form
    35,615.04/49,136.64 = 21,279.26/x
  3. Step 3: Cross multiply
    35,615.04x = 49,136.64 × 21,279.26
  4. Step 4: Simplify right side
    35,615.04x = 1,045,591,338.09
  5. Step 5: Solve for x
    x = 1,045,591,338.09/35,615.04
  6. Step 6: Final answer
    x = 29,358.14

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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.