Home / 35,659.08-49,207.58-21,319.20

Finding the Fourth Proportional to 35,659.08, 49,207.58 and 21,319.20

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Solution

The fourth proportional to 35,659.08, 49,207.58 and 21,319.20 is: 29,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.08 : 49,207.58 = 21,319.20 : x
  2. Step 2: Convert to fraction form
    35,659.08/49,207.58 = 21,319.20/x
  3. Step 3: Cross multiply
    35,659.08x = 49,207.58 × 21,319.20
  4. Step 4: Simplify right side
    35,659.08x = 1,049,066,239.54
  5. Step 5: Solve for x
    x = 1,049,066,239.54/35,659.08
  6. Step 6: Final answer
    x = 29,419.33

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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.