Home / 35,666.30-49,217.64-19,749.80

Finding the Fourth Proportional to 35,666.30, 49,217.64 and 19,749.80

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Solution

The fourth proportional to 35,666.30, 49,217.64 and 19,749.80 is: 27,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,666.30 : 49,217.64 = 19,749.80 : x
  2. Step 2: Convert to fraction form
    35,666.30/49,217.64 = 19,749.80/x
  3. Step 3: Cross multiply
    35,666.30x = 49,217.64 × 19,749.80
  4. Step 4: Simplify right side
    35,666.30x = 972,038,546.47
  5. Step 5: Solve for x
    x = 972,038,546.47/35,666.30
  6. Step 6: Final answer
    x = 27,253.70

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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.