Home / 30,610.23-45,915.93-8,423.52

Finding the Fourth Proportional to 30,610.23, 45,915.93 and 8,423.52

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Solution

The fourth proportional to 30,610.23, 45,915.93 and 8,423.52 is: 12,635.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,610.23 : 45,915.93 = 8,423.52 : x
  2. Step 2: Convert to fraction form
    30,610.23/45,915.93 = 8,423.52/x
  3. Step 3: Cross multiply
    30,610.23x = 45,915.93 × 8,423.52
  4. Step 4: Simplify right side
    30,610.23x = 386,773,754.67
  5. Step 5: Solve for x
    x = 386,773,754.67/30,610.23
  6. Step 6: Final answer
    x = 12,635.44

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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.