Home / 45,298.93-67,953.80-21,908.56

Finding the Fourth Proportional to 45,298.93, 67,953.80 and 21,908.56

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Solution

The fourth proportional to 45,298.93, 67,953.80 and 21,908.56 is: 32,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,298.93 : 67,953.80 = 21,908.56 : x
  2. Step 2: Convert to fraction form
    45,298.93/67,953.80 = 21,908.56/x
  3. Step 3: Cross multiply
    45,298.93x = 67,953.80 × 21,908.56
  4. Step 4: Simplify right side
    45,298.93x = 1,488,770,129.18
  5. Step 5: Solve for x
    x = 1,488,770,129.18/45,298.93
  6. Step 6: Final answer
    x = 32,865.46

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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.