Home / 37,868.02-52,257.62-20,640.35

Finding the Fourth Proportional to 37,868.02, 52,257.62 and 20,640.35

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Solution

The fourth proportional to 37,868.02, 52,257.62 and 20,640.35 is: 28,483.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,868.02 : 52,257.62 = 20,640.35 : x
  2. Step 2: Convert to fraction form
    37,868.02/52,257.62 = 20,640.35/x
  3. Step 3: Cross multiply
    37,868.02x = 52,257.62 × 20,640.35
  4. Step 4: Simplify right side
    37,868.02x = 1,078,615,749.21
  5. Step 5: Solve for x
    x = 1,078,615,749.21/37,868.02
  6. Step 6: Final answer
    x = 28,483.55

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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.