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Finding the Fourth Proportional to 37,065.55, 55,598.46 and 8,985.49

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Solution

The fourth proportional to 37,065.55, 55,598.46 and 8,985.49 is: 13,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.55 : 55,598.46 = 8,985.49 : x
  2. Step 2: Convert to fraction form
    37,065.55/55,598.46 = 8,985.49/x
  3. Step 3: Cross multiply
    37,065.55x = 55,598.46 × 8,985.49
  4. Step 4: Simplify right side
    37,065.55x = 499,579,361.42
  5. Step 5: Solve for x
    x = 499,579,361.42/37,065.55
  6. Step 6: Final answer
    x = 13,478.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.