Home / 30,861.57-46,292.37-8,677.20

Finding the Fourth Proportional to 30,861.57, 46,292.37 and 8,677.20

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Solution

The fourth proportional to 30,861.57, 46,292.37 and 8,677.20 is: 13,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.57 : 46,292.37 = 8,677.20 : x
  2. Step 2: Convert to fraction form
    30,861.57/46,292.37 = 8,677.20/x
  3. Step 3: Cross multiply
    30,861.57x = 46,292.37 × 8,677.20
  4. Step 4: Simplify right side
    30,861.57x = 401,688,152.96
  5. Step 5: Solve for x
    x = 401,688,152.96/30,861.57
  6. Step 6: Final answer
    x = 13,015.80

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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.