Home / 47,729.34-71,588.40-12,671.70

Finding the Fourth Proportional to 47,729.34, 71,588.40 and 12,671.70

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Solution

The fourth proportional to 47,729.34, 71,588.40 and 12,671.70 is: 19,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.34 : 71,588.40 = 12,671.70 : x
  2. Step 2: Convert to fraction form
    47,729.34/71,588.40 = 12,671.70/x
  3. Step 3: Cross multiply
    47,729.34x = 71,588.40 × 12,671.70
  4. Step 4: Simplify right side
    47,729.34x = 907,146,728.28
  5. Step 5: Solve for x
    x = 907,146,728.28/47,729.34
  6. Step 6: Final answer
    x = 19,006.06

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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.