Home / 46,019.28-69,029.01-12,739.44

Finding the Fourth Proportional to 46,019.28, 69,029.01 and 12,739.44

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Solution

The fourth proportional to 46,019.28, 69,029.01 and 12,739.44 is: 19,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,019.28 : 69,029.01 = 12,739.44 : x
  2. Step 2: Convert to fraction form
    46,019.28/69,029.01 = 12,739.44/x
  3. Step 3: Cross multiply
    46,019.28x = 69,029.01 × 12,739.44
  4. Step 4: Simplify right side
    46,019.28x = 879,390,931.15
  5. Step 5: Solve for x
    x = 879,390,931.15/46,019.28
  6. Step 6: Final answer
    x = 19,109.18

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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.