Home / 45,064.90-67,455.60-30,942.28

Finding the Fourth Proportional to 45,064.90, 67,455.60 and 30,942.28

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Solution

The fourth proportional to 45,064.90, 67,455.60 and 30,942.28 is: 46,316.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,064.90 : 67,455.60 = 30,942.28 : x
  2. Step 2: Convert to fraction form
    45,064.90/67,455.60 = 30,942.28/x
  3. Step 3: Cross multiply
    45,064.90x = 67,455.60 × 30,942.28
  4. Step 4: Simplify right side
    45,064.90x = 2,087,230,062.77
  5. Step 5: Solve for x
    x = 2,087,230,062.77/45,064.90
  6. Step 6: Final answer
    x = 46,316.09

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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.