Home / 35,688.23-49,247.70-19,771.73

Finding the Fourth Proportional to 35,688.23, 49,247.70 and 19,771.73

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Solution

The fourth proportional to 35,688.23, 49,247.70 and 19,771.73 is: 27,283.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.23 : 49,247.70 = 19,771.73 : x
  2. Step 2: Convert to fraction form
    35,688.23/49,247.70 = 19,771.73/x
  3. Step 3: Cross multiply
    35,688.23x = 49,247.70 × 19,771.73
  4. Step 4: Simplify right side
    35,688.23x = 973,712,227.52
  5. Step 5: Solve for x
    x = 973,712,227.52/35,688.23
  6. Step 6: Final answer
    x = 27,283.85

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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.