Home / 37,376.83-51,579.37-20,381.21

Finding the Fourth Proportional to 37,376.83, 51,579.37 and 20,381.21

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Solution

The fourth proportional to 37,376.83, 51,579.37 and 20,381.21 is: 28,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,376.83 : 51,579.37 = 20,381.21 : x
  2. Step 2: Convert to fraction form
    37,376.83/51,579.37 = 20,381.21/x
  3. Step 3: Cross multiply
    37,376.83x = 51,579.37 × 20,381.21
  4. Step 4: Simplify right side
    37,376.83x = 1,051,249,971.64
  5. Step 5: Solve for x
    x = 1,051,249,971.64/37,376.83
  6. Step 6: Final answer
    x = 28,125.71

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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.