Home / 46,111.78-69,166.46-12,830.50

Finding the Fourth Proportional to 46,111.78, 69,166.46 and 12,830.50

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Solution

The fourth proportional to 46,111.78, 69,166.46 and 12,830.50 is: 19,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,111.78 : 69,166.46 = 12,830.50 : x
  2. Step 2: Convert to fraction form
    46,111.78/69,166.46 = 12,830.50/x
  3. Step 3: Cross multiply
    46,111.78x = 69,166.46 × 12,830.50
  4. Step 4: Simplify right side
    46,111.78x = 887,440,311.39
  5. Step 5: Solve for x
    x = 887,440,311.39/46,111.78
  6. Step 6: Final answer
    x = 19,245.41

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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.