Home / 35,674.18-53,464.78-19,878.57

Finding the Fourth Proportional to 35,674.18, 53,464.78 and 19,878.57

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Solution

The fourth proportional to 35,674.18, 53,464.78 and 19,878.57 is: 29,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,674.18 : 53,464.78 = 19,878.57 : x
  2. Step 2: Convert to fraction form
    35,674.18/53,464.78 = 19,878.57/x
  3. Step 3: Cross multiply
    35,674.18x = 53,464.78 × 19,878.57
  4. Step 4: Simplify right side
    35,674.18x = 1,062,803,371.76
  5. Step 5: Solve for x
    x = 1,062,803,371.76/35,674.18
  6. Step 6: Final answer
    x = 29,791.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.