Home / 34,616.34-51,931.47-12,431.46

Finding the Fourth Proportional to 34,616.34, 51,931.47 and 12,431.46

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Solution

The fourth proportional to 34,616.34, 51,931.47 and 12,431.46 is: 18,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,616.34 : 51,931.47 = 12,431.46 : x
  2. Step 2: Convert to fraction form
    34,616.34/51,931.47 = 12,431.46/x
  3. Step 3: Cross multiply
    34,616.34x = 51,931.47 × 12,431.46
  4. Step 4: Simplify right side
    34,616.34x = 645,583,992.05
  5. Step 5: Solve for x
    x = 645,583,992.05/34,616.34
  6. Step 6: Final answer
    x = 18,649.69

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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.