Home / 35,779.72-49,376.96-19,864.84

Finding the Fourth Proportional to 35,779.72, 49,376.96 and 19,864.84

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Solution

The fourth proportional to 35,779.72, 49,376.96 and 19,864.84 is: 27,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.72 : 49,376.96 = 19,864.84 : x
  2. Step 2: Convert to fraction form
    35,779.72/49,376.96 = 19,864.84/x
  3. Step 3: Cross multiply
    35,779.72x = 49,376.96 × 19,864.84
  4. Step 4: Simplify right side
    35,779.72x = 980,865,310.76
  5. Step 5: Solve for x
    x = 980,865,310.76/35,779.72
  6. Step 6: Final answer
    x = 27,414.00

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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.