Home / 30,547.98-45,781.56-16,511.52

Finding the Fourth Proportional to 30,547.98, 45,781.56 and 16,511.52

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Solution

The fourth proportional to 30,547.98, 45,781.56 and 16,511.52 is: 24,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.98 : 45,781.56 = 16,511.52 : x
  2. Step 2: Convert to fraction form
    30,547.98/45,781.56 = 16,511.52/x
  3. Step 3: Cross multiply
    30,547.98x = 45,781.56 × 16,511.52
  4. Step 4: Simplify right side
    30,547.98x = 755,923,143.57
  5. Step 5: Solve for x
    x = 755,923,143.57/30,547.98
  6. Step 6: Final answer
    x = 24,745.44

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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.