Home / 38,701,753.48-53,396,395.92-21,953,732.77

Finding the Fourth Proportional to 38,701,753.48, 53,396,395.92 and 21,953,732.77

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Solution

The fourth proportional to 38,701,753.48, 53,396,395.92 and 21,953,732.77 is: 30,289,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,701,753.48 : 53,396,395.92 = 21,953,732.77 : x
  2. Step 2: Convert to fraction form
    38,701,753.48/53,396,395.92 = 21,953,732.77/x
  3. Step 3: Cross multiply
    38,701,753.48x = 53,396,395.92 × 21,953,732.77
  4. Step 4: Simplify right side
    38,701,753.48x = 1,172,250,206,908,798.25
  5. Step 5: Solve for x
    x = 1,172,250,206,908,798.25/38,701,753.48
  6. Step 6: Final answer
    x = 30,289,330.62

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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.