Home / 33,643.80-46,403.70-21,701.16

Finding the Fourth Proportional to 33,643.80, 46,403.70 and 21,701.16

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Solution

The fourth proportional to 33,643.80, 46,403.70 and 21,701.16 is: 29,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,643.80 : 46,403.70 = 21,701.16 : x
  2. Step 2: Convert to fraction form
    33,643.80/46,403.70 = 21,701.16/x
  3. Step 3: Cross multiply
    33,643.80x = 46,403.70 × 21,701.16
  4. Step 4: Simplify right side
    33,643.80x = 1,007,014,118.29
  5. Step 5: Solve for x
    x = 1,007,014,118.29/33,643.80
  6. Step 6: Final answer
    x = 29,931.64

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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.