Home / 37,415.86-51,634.55-20,420.26

Finding the Fourth Proportional to 37,415.86, 51,634.55 and 20,420.26

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Solution

The fourth proportional to 37,415.86, 51,634.55 and 20,420.26 is: 28,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,415.86 : 51,634.55 = 20,420.26 : x
  2. Step 2: Convert to fraction form
    37,415.86/51,634.55 = 20,420.26/x
  3. Step 3: Cross multiply
    37,415.86x = 51,634.55 × 20,420.26
  4. Step 4: Simplify right side
    37,415.86x = 1,054,390,857.95
  5. Step 5: Solve for x
    x = 1,054,390,857.95/37,415.86
  6. Step 6: Final answer
    x = 28,180.32

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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.