Home / 30,838.40-46,220.35-15,019.72

Finding the Fourth Proportional to 30,838.40, 46,220.35 and 15,019.72

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Solution

The fourth proportional to 30,838.40, 46,220.35 and 15,019.72 is: 22,511.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,838.40 : 46,220.35 = 15,019.72 : x
  2. Step 2: Convert to fraction form
    30,838.40/46,220.35 = 15,019.72/x
  3. Step 3: Cross multiply
    30,838.40x = 46,220.35 × 15,019.72
  4. Step 4: Simplify right side
    30,838.40x = 694,216,640.20
  5. Step 5: Solve for x
    x = 694,216,640.20/30,838.40
  6. Step 6: Final answer
    x = 22,511.44

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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.