Home / 38,953.71-53,773.07-30,320.33

Finding the Fourth Proportional to 38,953.71, 53,773.07 and 30,320.33

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Solution

The fourth proportional to 38,953.71, 53,773.07 and 30,320.33 is: 41,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,953.71 : 53,773.07 = 30,320.33 : x
  2. Step 2: Convert to fraction form
    38,953.71/53,773.07 = 30,320.33/x
  3. Step 3: Cross multiply
    38,953.71x = 53,773.07 × 30,320.33
  4. Step 4: Simplify right side
    38,953.71x = 1,630,416,807.05
  5. Step 5: Solve for x
    x = 1,630,416,807.05/38,953.71
  6. Step 6: Final answer
    x = 41,855.24

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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.