Home / 33,808.72-46,657.20-19,666.12

Finding the Fourth Proportional to 33,808.72, 46,657.20 and 19,666.12

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Solution

The fourth proportional to 33,808.72, 46,657.20 and 19,666.12 is: 27,139.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.72 : 46,657.20 = 19,666.12 : x
  2. Step 2: Convert to fraction form
    33,808.72/46,657.20 = 19,666.12/x
  3. Step 3: Cross multiply
    33,808.72x = 46,657.20 × 19,666.12
  4. Step 4: Simplify right side
    33,808.72x = 917,566,094.06
  5. Step 5: Solve for x
    x = 917,566,094.06/33,808.72
  6. Step 6: Final answer
    x = 27,139.92

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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.