Home / 37,194.08-51,328.88-20,428.16

Finding the Fourth Proportional to 37,194.08, 51,328.88 and 20,428.16

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Solution

The fourth proportional to 37,194.08, 51,328.88 and 20,428.16 is: 28,191.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,194.08 : 51,328.88 = 20,428.16 : x
  2. Step 2: Convert to fraction form
    37,194.08/51,328.88 = 20,428.16/x
  3. Step 3: Cross multiply
    37,194.08x = 51,328.88 × 20,428.16
  4. Step 4: Simplify right side
    37,194.08x = 1,048,554,573.26
  5. Step 5: Solve for x
    x = 1,048,554,573.26/37,194.08
  6. Step 6: Final answer
    x = 28,191.44

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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.