Home / 30,547.22-45,813.42-12,768.26

Finding the Fourth Proportional to 30,547.22, 45,813.42 and 12,768.26

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Solution

The fourth proportional to 30,547.22, 45,813.42 and 12,768.26 is: 19,149.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.22 : 45,813.42 = 12,768.26 : x
  2. Step 2: Convert to fraction form
    30,547.22/45,813.42 = 12,768.26/x
  3. Step 3: Cross multiply
    30,547.22x = 45,813.42 × 12,768.26
  4. Step 4: Simplify right side
    30,547.22x = 584,957,428.98
  5. Step 5: Solve for x
    x = 584,957,428.98/30,547.22
  6. Step 6: Final answer
    x = 19,149.29

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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.