Home / 53,247.38-73,478.91-30,570.41

Finding the Fourth Proportional to 53,247.38, 73,478.91 and 30,570.41

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Solution

The fourth proportional to 53,247.38, 73,478.91 and 30,570.41 is: 42,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,247.38 : 73,478.91 = 30,570.41 : x
  2. Step 2: Convert to fraction form
    53,247.38/73,478.91 = 30,570.41/x
  3. Step 3: Cross multiply
    53,247.38x = 73,478.91 × 30,570.41
  4. Step 4: Simplify right side
    53,247.38x = 2,246,280,221.36
  5. Step 5: Solve for x
    x = 2,246,280,221.36/53,247.38
  6. Step 6: Final answer
    x = 42,185.74

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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.