Home / 37,192.08-51,326.12-20,426.16

Finding the Fourth Proportional to 37,192.08, 51,326.12 and 20,426.16

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Solution

The fourth proportional to 37,192.08, 51,326.12 and 20,426.16 is: 28,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,192.08 : 51,326.12 = 20,426.16 : x
  2. Step 2: Convert to fraction form
    37,192.08/51,326.12 = 20,426.16/x
  3. Step 3: Cross multiply
    37,192.08x = 51,326.12 × 20,426.16
  4. Step 4: Simplify right side
    37,192.08x = 1,048,395,539.30
  5. Step 5: Solve for x
    x = 1,048,395,539.30/37,192.08
  6. Step 6: Final answer
    x = 28,188.68

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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.