Home / 45,106.07-67,622.63-18,830.48

Finding the Fourth Proportional to 45,106.07, 67,622.63 and 18,830.48

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Solution

The fourth proportional to 45,106.07, 67,622.63 and 18,830.48 is: 28,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,106.07 : 67,622.63 = 18,830.48 : x
  2. Step 2: Convert to fraction form
    45,106.07/67,622.63 = 18,830.48/x
  3. Step 3: Cross multiply
    45,106.07x = 67,622.63 × 18,830.48
  4. Step 4: Simplify right side
    45,106.07x = 1,273,366,149.50
  5. Step 5: Solve for x
    x = 1,273,366,149.50/45,106.07
  6. Step 6: Final answer
    x = 28,230.49

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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.