Home / 37,803.12-52,168.31-20,808.58

Finding the Fourth Proportional to 37,803.12, 52,168.31 and 20,808.58

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Solution

The fourth proportional to 37,803.12, 52,168.31 and 20,808.58 is: 28,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803.12 : 52,168.31 = 20,808.58 : x
  2. Step 2: Convert to fraction form
    37,803.12/52,168.31 = 20,808.58/x
  3. Step 3: Cross multiply
    37,803.12x = 52,168.31 × 20,808.58
  4. Step 4: Simplify right side
    37,803.12x = 1,085,548,373.70
  5. Step 5: Solve for x
    x = 1,085,548,373.70/37,803.12
  6. Step 6: Final answer
    x = 28,715.84

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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.