Home / 53,847.27-74,316.21-30,886.05

Finding the Fourth Proportional to 53,847.27, 74,316.21 and 30,886.05

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Solution

The fourth proportional to 53,847.27, 74,316.21 and 30,886.05 is: 42,626.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,847.27 : 74,316.21 = 30,886.05 : x
  2. Step 2: Convert to fraction form
    53,847.27/74,316.21 = 30,886.05/x
  3. Step 3: Cross multiply
    53,847.27x = 74,316.21 × 30,886.05
  4. Step 4: Simplify right side
    53,847.27x = 2,295,334,177.87
  5. Step 5: Solve for x
    x = 2,295,334,177.87/53,847.27
  6. Step 6: Final answer
    x = 42,626.75

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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.