Home / 35,687.05-49,248.48-19,771.72

Finding the Fourth Proportional to 35,687.05, 49,248.48 and 19,771.72

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Solution

The fourth proportional to 35,687.05, 49,248.48 and 19,771.72 is: 27,285.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.05 : 49,248.48 = 19,771.72 : x
  2. Step 2: Convert to fraction form
    35,687.05/49,248.48 = 19,771.72/x
  3. Step 3: Cross multiply
    35,687.05x = 49,248.48 × 19,771.72
  4. Step 4: Simplify right side
    35,687.05x = 973,727,156.99
  5. Step 5: Solve for x
    x = 973,727,156.99/35,687.05
  6. Step 6: Final answer
    x = 27,285.17

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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.