Home / 35,813.53-49,422.31-19,897.64

Finding the Fourth Proportional to 35,813.53, 49,422.31 and 19,897.64

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Solution

The fourth proportional to 35,813.53, 49,422.31 and 19,897.64 is: 27,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.53 : 49,422.31 = 19,897.64 : x
  2. Step 2: Convert to fraction form
    35,813.53/49,422.31 = 19,897.64/x
  3. Step 3: Cross multiply
    35,813.53x = 49,422.31 × 19,897.64
  4. Step 4: Simplify right side
    35,813.53x = 983,387,332.35
  5. Step 5: Solve for x
    x = 983,387,332.35/35,813.53
  6. Step 6: Final answer
    x = 27,458.54

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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.