Home / 30,637.82-45,960.65-10,918.37

Finding the Fourth Proportional to 30,637.82, 45,960.65 and 10,918.37

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Solution

The fourth proportional to 30,637.82, 45,960.65 and 10,918.37 is: 16,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.82 : 45,960.65 = 10,918.37 : x
  2. Step 2: Convert to fraction form
    30,637.82/45,960.65 = 10,918.37/x
  3. Step 3: Cross multiply
    30,637.82x = 45,960.65 × 10,918.37
  4. Step 4: Simplify right side
    30,637.82x = 501,815,483.39
  5. Step 5: Solve for x
    x = 501,815,483.39/30,637.82
  6. Step 6: Final answer
    x = 16,378.95

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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.