Home / 33,642.80-46,402.32-21,700.16

Finding the Fourth Proportional to 33,642.80, 46,402.32 and 21,700.16

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Solution

The fourth proportional to 33,642.80, 46,402.32 and 21,700.16 is: 29,930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.80 : 46,402.32 = 21,700.16 : x
  2. Step 2: Convert to fraction form
    33,642.80/46,402.32 = 21,700.16/x
  3. Step 3: Cross multiply
    33,642.80x = 46,402.32 × 21,700.16
  4. Step 4: Simplify right side
    33,642.80x = 1,006,937,768.37
  5. Step 5: Solve for x
    x = 1,006,937,768.37/33,642.80
  6. Step 6: Final answer
    x = 29,930.26

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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.