Home / 37,657.63-51,968.01-20,660.79

Finding the Fourth Proportional to 37,657.63, 51,968.01 and 20,660.79

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Solution

The fourth proportional to 37,657.63, 51,968.01 and 20,660.79 is: 28,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,657.63 : 51,968.01 = 20,660.79 : x
  2. Step 2: Convert to fraction form
    37,657.63/51,968.01 = 20,660.79/x
  3. Step 3: Cross multiply
    37,657.63x = 51,968.01 × 20,660.79
  4. Step 4: Simplify right side
    37,657.63x = 1,073,700,038.02
  5. Step 5: Solve for x
    x = 1,073,700,038.02/37,657.63
  6. Step 6: Final answer
    x = 28,512.15

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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.