Home / 34,720.45-52,080.98-8,425.42

Finding the Fourth Proportional to 34,720.45, 52,080.98 and 8,425.42

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Solution

The fourth proportional to 34,720.45, 52,080.98 and 8,425.42 is: 12,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,720.45 : 52,080.98 = 8,425.42 : x
  2. Step 2: Convert to fraction form
    34,720.45/52,080.98 = 8,425.42/x
  3. Step 3: Cross multiply
    34,720.45x = 52,080.98 × 8,425.42
  4. Step 4: Simplify right side
    34,720.45x = 438,803,958.18
  5. Step 5: Solve for x
    x = 438,803,958.18/34,720.45
  6. Step 6: Final answer
    x = 12,638.20

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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.