Home / 30,676.18-46,015.30-8,487.70

Finding the Fourth Proportional to 30,676.18, 46,015.30 and 8,487.70

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Solution

The fourth proportional to 30,676.18, 46,015.30 and 8,487.70 is: 12,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,676.18 : 46,015.30 = 8,487.70 : x
  2. Step 2: Convert to fraction form
    30,676.18/46,015.30 = 8,487.70/x
  3. Step 3: Cross multiply
    30,676.18x = 46,015.30 × 8,487.70
  4. Step 4: Simplify right side
    30,676.18x = 390,564,061.81
  5. Step 5: Solve for x
    x = 390,564,061.81/30,676.18
  6. Step 6: Final answer
    x = 12,731.83

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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.