Home / 49,345.30-74,027.55-21,265.30

Finding the Fourth Proportional to 49,345.30, 74,027.55 and 21,265.30

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Solution

The fourth proportional to 49,345.30, 74,027.55 and 21,265.30 is: 31,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,345.30 : 74,027.55 = 21,265.30 : x
  2. Step 2: Convert to fraction form
    49,345.30/74,027.55 = 21,265.30/x
  3. Step 3: Cross multiply
    49,345.30x = 74,027.55 × 21,265.30
  4. Step 4: Simplify right side
    49,345.30x = 1,574,218,059.02
  5. Step 5: Solve for x
    x = 1,574,218,059.02/49,345.30
  6. Step 6: Final answer
    x = 31,902.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.