Home / 35,776.05-49,369.98-19,860.09

Finding the Fourth Proportional to 35,776.05, 49,369.98 and 19,860.09

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Solution

The fourth proportional to 35,776.05, 49,369.98 and 19,860.09 is: 27,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,776.05 : 49,369.98 = 19,860.09 : x
  2. Step 2: Convert to fraction form
    35,776.05/49,369.98 = 19,860.09/x
  3. Step 3: Cross multiply
    35,776.05x = 49,369.98 × 19,860.09
  4. Step 4: Simplify right side
    35,776.05x = 980,492,246.10
  5. Step 5: Solve for x
    x = 980,492,246.10/35,776.05
  6. Step 6: Final answer
    x = 27,406.39

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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.