Home / 45,200.06-67,792.38-11,920.45

Finding the Fourth Proportional to 45,200.06, 67,792.38 and 11,920.45

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Solution

The fourth proportional to 45,200.06, 67,792.38 and 11,920.45 is: 17,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,200.06 : 67,792.38 = 11,920.45 : x
  2. Step 2: Convert to fraction form
    45,200.06/67,792.38 = 11,920.45/x
  3. Step 3: Cross multiply
    45,200.06x = 67,792.38 × 11,920.45
  4. Step 4: Simplify right side
    45,200.06x = 808,115,676.17
  5. Step 5: Solve for x
    x = 808,115,676.17/45,200.06
  6. Step 6: Final answer
    x = 17,878.64

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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.