Home / 30,547.15-45,841.47-16,511.48

Finding the Fourth Proportional to 30,547.15, 45,841.47 and 16,511.48

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Solution

The fourth proportional to 30,547.15, 45,841.47 and 16,511.48 is: 24,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,547.15 : 45,841.47 = 16,511.48 : x
  2. Step 2: Convert to fraction form
    30,547.15/45,841.47 = 16,511.48/x
  3. Step 3: Cross multiply
    30,547.15x = 45,841.47 × 16,511.48
  4. Step 4: Simplify right side
    30,547.15x = 756,910,515.08
  5. Step 5: Solve for x
    x = 756,910,515.08/30,547.15
  6. Step 6: Final answer
    x = 24,778.43

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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.