Home / 45,345.16-67,948.44-19,035.46

Finding the Fourth Proportional to 45,345.16, 67,948.44 and 19,035.46

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Solution

The fourth proportional to 45,345.16, 67,948.44 and 19,035.46 is: 28,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,345.16 : 67,948.44 = 19,035.46 : x
  2. Step 2: Convert to fraction form
    45,345.16/67,948.44 = 19,035.46/x
  3. Step 3: Cross multiply
    45,345.16x = 67,948.44 × 19,035.46
  4. Step 4: Simplify right side
    45,345.16x = 1,293,429,811.68
  5. Step 5: Solve for x
    x = 1,293,429,811.68/45,345.16
  6. Step 6: Final answer
    x = 28,524.10

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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.