Home / 35,720.64-49,294.44-21,570.84

Finding the Fourth Proportional to 35,720.64, 49,294.44 and 21,570.84

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Solution

The fourth proportional to 35,720.64, 49,294.44 and 21,570.84 is: 29,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.64 : 49,294.44 = 21,570.84 : x
  2. Step 2: Convert to fraction form
    35,720.64/49,294.44 = 21,570.84/x
  3. Step 3: Cross multiply
    35,720.64x = 49,294.44 × 21,570.84
  4. Step 4: Simplify right side
    35,720.64x = 1,063,322,478.13
  5. Step 5: Solve for x
    x = 1,063,322,478.13/35,720.64
  6. Step 6: Final answer
    x = 29,767.73

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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.