Home / 37,641.12-51,943.44-20,875.68

Finding the Fourth Proportional to 37,641.12, 51,943.44 and 20,875.68

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Solution

The fourth proportional to 37,641.12, 51,943.44 and 20,875.68 is: 28,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,641.12 : 51,943.44 = 20,875.68 : x
  2. Step 2: Convert to fraction form
    37,641.12/51,943.44 = 20,875.68/x
  3. Step 3: Cross multiply
    37,641.12x = 51,943.44 × 20,875.68
  4. Step 4: Simplify right side
    37,641.12x = 1,084,354,631.54
  5. Step 5: Solve for x
    x = 1,084,354,631.54/37,641.12
  6. Step 6: Final answer
    x = 28,807.71

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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.