Home / 35,775.95-49,370.11-19,860.05

Finding the Fourth Proportional to 35,775.95, 49,370.11 and 19,860.05

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Solution

The fourth proportional to 35,775.95, 49,370.11 and 19,860.05 is: 27,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.95 : 49,370.11 = 19,860.05 : x
  2. Step 2: Convert to fraction form
    35,775.95/49,370.11 = 19,860.05/x
  3. Step 3: Cross multiply
    35,775.95x = 49,370.11 × 19,860.05
  4. Step 4: Simplify right side
    35,775.95x = 980,492,926.88
  5. Step 5: Solve for x
    x = 980,492,926.88/35,775.95
  6. Step 6: Final answer
    x = 27,406.49

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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.