Home / 45,498.38-68,493.23-40,920.89

Finding the Fourth Proportional to 45,498.38, 68,493.23 and 40,920.89

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Solution

The fourth proportional to 45,498.38, 68,493.23 and 40,920.89 is: 61,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.38 : 68,493.23 = 40,920.89 : x
  2. Step 2: Convert to fraction form
    45,498.38/68,493.23 = 40,920.89/x
  3. Step 3: Cross multiply
    45,498.38x = 68,493.23 × 40,920.89
  4. Step 4: Simplify right side
    45,498.38x = 2,802,803,383.50
  5. Step 5: Solve for x
    x = 2,802,803,383.50/45,498.38
  6. Step 6: Final answer
    x = 61,602.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.