Home / 46,815.45-70,240.91-28,108.55

Finding the Fourth Proportional to 46,815.45, 70,240.91 and 28,108.55

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Solution

The fourth proportional to 46,815.45, 70,240.91 and 28,108.55 is: 42,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,815.45 : 70,240.91 = 28,108.55 : x
  2. Step 2: Convert to fraction form
    46,815.45/70,240.91 = 28,108.55/x
  3. Step 3: Cross multiply
    46,815.45x = 70,240.91 × 28,108.55
  4. Step 4: Simplify right side
    46,815.45x = 1,974,370,165.84
  5. Step 5: Solve for x
    x = 1,974,370,165.84/46,815.45
  6. Step 6: Final answer
    x = 42,173.47

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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.