Home / 37,416.47-51,634.25-20,420.99

Finding the Fourth Proportional to 37,416.47, 51,634.25 and 20,420.99

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Solution

The fourth proportional to 37,416.47, 51,634.25 and 20,420.99 is: 28,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416.47 : 51,634.25 = 20,420.99 : x
  2. Step 2: Convert to fraction form
    37,416.47/51,634.25 = 20,420.99/x
  3. Step 3: Cross multiply
    37,416.47x = 51,634.25 × 20,420.99
  4. Step 4: Simplify right side
    37,416.47x = 1,054,422,142.63
  5. Step 5: Solve for x
    x = 1,054,422,142.63/37,416.47
  6. Step 6: Final answer
    x = 28,180.70

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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.