Home / 47,660.34-71,490.78-12,599.63

Finding the Fourth Proportional to 47,660.34, 71,490.78 and 12,599.63

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Solution

The fourth proportional to 47,660.34, 71,490.78 and 12,599.63 is: 18,899.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.34 : 71,490.78 = 12,599.63 : x
  2. Step 2: Convert to fraction form
    47,660.34/71,490.78 = 12,599.63/x
  3. Step 3: Cross multiply
    47,660.34x = 71,490.78 × 12,599.63
  4. Step 4: Simplify right side
    47,660.34x = 900,757,018.96
  5. Step 5: Solve for x
    x = 900,757,018.96/47,660.34
  6. Step 6: Final answer
    x = 18,899.51

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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.