Home / 37,416.36-51,635.69-20,421.71

Finding the Fourth Proportional to 37,416.36, 51,635.69 and 20,421.71

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Solution

The fourth proportional to 37,416.36, 51,635.69 and 20,421.71 is: 28,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,416.36 : 51,635.69 = 20,421.71 : x
  2. Step 2: Convert to fraction form
    37,416.36/51,635.69 = 20,421.71/x
  3. Step 3: Cross multiply
    37,416.36x = 51,635.69 × 20,421.71
  4. Step 4: Simplify right side
    37,416.36x = 1,054,489,086.83
  5. Step 5: Solve for x
    x = 1,054,489,086.83/37,416.36
  6. Step 6: Final answer
    x = 28,182.57

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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.