Home / 33,971.77-46,885.36-20,543.12

Finding the Fourth Proportional to 33,971.77, 46,885.36 and 20,543.12

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Solution

The fourth proportional to 33,971.77, 46,885.36 and 20,543.12 is: 28,352.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,971.77 : 46,885.36 = 20,543.12 : x
  2. Step 2: Convert to fraction form
    33,971.77/46,885.36 = 20,543.12/x
  3. Step 3: Cross multiply
    33,971.77x = 46,885.36 × 20,543.12
  4. Step 4: Simplify right side
    33,971.77x = 963,171,290.94
  5. Step 5: Solve for x
    x = 963,171,290.94/33,971.77
  6. Step 6: Final answer
    x = 28,352.11

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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.