Home / 35,705.07-49,273-19,791.92

Finding the Fourth Proportional to 35,705.07, 49,273 and 19,791.92

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Solution

The fourth proportional to 35,705.07, 49,273 and 19,791.92 is: 27,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.07 : 49,273 = 19,791.92 : x
  2. Step 2: Convert to fraction form
    35,705.07/49,273 = 19,791.92/x
  3. Step 3: Cross multiply
    35,705.07x = 49,273 × 19,791.92
  4. Step 4: Simplify right side
    35,705.07x = 975,207,274.16
  5. Step 5: Solve for x
    x = 975,207,274.16/35,705.07
  6. Step 6: Final answer
    x = 27,312.85

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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.