Home / 37,519.32-51,774.74-20,520.26

Finding the Fourth Proportional to 37,519.32, 51,774.74 and 20,520.26

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Solution

The fourth proportional to 37,519.32, 51,774.74 and 20,520.26 is: 28,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,519.32 : 51,774.74 = 20,520.26 : x
  2. Step 2: Convert to fraction form
    37,519.32/51,774.74 = 20,520.26/x
  3. Step 3: Cross multiply
    37,519.32x = 51,774.74 × 20,520.26
  4. Step 4: Simplify right side
    37,519.32x = 1,062,430,894.19
  5. Step 5: Solve for x
    x = 1,062,430,894.19/37,519.32
  6. Step 6: Final answer
    x = 28,316.90

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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.