Home / 35,857.64-49,479.48-19,941.12

Finding the Fourth Proportional to 35,857.64, 49,479.48 and 19,941.12

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Solution

The fourth proportional to 35,857.64, 49,479.48 and 19,941.12 is: 27,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.64 : 49,479.48 = 19,941.12 : x
  2. Step 2: Convert to fraction form
    35,857.64/49,479.48 = 19,941.12/x
  3. Step 3: Cross multiply
    35,857.64x = 49,479.48 × 19,941.12
  4. Step 4: Simplify right side
    35,857.64x = 986,676,248.22
  5. Step 5: Solve for x
    x = 986,676,248.22/35,857.64
  6. Step 6: Final answer
    x = 27,516.49

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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.