Home / 35,779.95-49,376.39-19,863.99

Finding the Fourth Proportional to 35,779.95, 49,376.39 and 19,863.99

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Solution

The fourth proportional to 35,779.95, 49,376.39 and 19,863.99 is: 27,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.95 : 49,376.39 = 19,863.99 : x
  2. Step 2: Convert to fraction form
    35,779.95/49,376.39 = 19,863.99/x
  3. Step 3: Cross multiply
    35,779.95x = 49,376.39 × 19,863.99
  4. Step 4: Simplify right side
    35,779.95x = 980,812,017.88
  5. Step 5: Solve for x
    x = 980,812,017.88/35,779.95
  6. Step 6: Final answer
    x = 27,412.34

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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.