Home / 46,014.50-69,023.29-12,731.78

Finding the Fourth Proportional to 46,014.50, 69,023.29 and 12,731.78

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Solution

The fourth proportional to 46,014.50, 69,023.29 and 12,731.78 is: 19,098.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,014.50 : 69,023.29 = 12,731.78 : x
  2. Step 2: Convert to fraction form
    46,014.50/69,023.29 = 12,731.78/x
  3. Step 3: Cross multiply
    46,014.50x = 69,023.29 × 12,731.78
  4. Step 4: Simplify right side
    46,014.50x = 878,789,507.76
  5. Step 5: Solve for x
    x = 878,789,507.76/46,014.50
  6. Step 6: Final answer
    x = 19,098.10

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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.