Home / 46,019.68-69,022.84-12,742.08

Finding the Fourth Proportional to 46,019.68, 69,022.84 and 12,742.08

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Solution

The fourth proportional to 46,019.68, 69,022.84 and 12,742.08 is: 19,111.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,019.68 : 69,022.84 = 12,742.08 : x
  2. Step 2: Convert to fraction form
    46,019.68/69,022.84 = 12,742.08/x
  3. Step 3: Cross multiply
    46,019.68x = 69,022.84 × 12,742.08
  4. Step 4: Simplify right side
    46,019.68x = 879,494,549.11
  5. Step 5: Solve for x
    x = 879,494,549.11/46,019.68
  6. Step 6: Final answer
    x = 19,111.27

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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.