Home / 57,628.69-79,528.21-32,478.19

Finding the Fourth Proportional to 57,628.69, 79,528.21 and 32,478.19

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Solution

The fourth proportional to 57,628.69, 79,528.21 and 32,478.19 is: 44,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.69 : 79,528.21 = 32,478.19 : x
  2. Step 2: Convert to fraction form
    57,628.69/79,528.21 = 32,478.19/x
  3. Step 3: Cross multiply
    57,628.69x = 79,528.21 × 32,478.19
  4. Step 4: Simplify right side
    57,628.69x = 2,582,932,034.72
  5. Step 5: Solve for x
    x = 2,582,932,034.72/57,628.69
  6. Step 6: Final answer
    x = 44,820.25

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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.