Home / 38,698.08-53,331.03-30,186.71

Finding the Fourth Proportional to 38,698.08, 53,331.03 and 30,186.71

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Solution

The fourth proportional to 38,698.08, 53,331.03 and 30,186.71 is: 41,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.08 : 53,331.03 = 30,186.71 : x
  2. Step 2: Convert to fraction form
    38,698.08/53,331.03 = 30,186.71/x
  3. Step 3: Cross multiply
    38,698.08x = 53,331.03 × 30,186.71
  4. Step 4: Simplify right side
    38,698.08x = 1,609,888,336.61
  5. Step 5: Solve for x
    x = 1,609,888,336.61/38,698.08
  6. Step 6: Final answer
    x = 41,601.25

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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.