Home / 30,483.88-45,451.96-27,880.36

Finding the Fourth Proportional to 30,483.88, 45,451.96 and 27,880.36

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Solution

The fourth proportional to 30,483.88, 45,451.96 and 27,880.36 is: 41,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.88 : 45,451.96 = 27,880.36 : x
  2. Step 2: Convert to fraction form
    30,483.88/45,451.96 = 27,880.36/x
  3. Step 3: Cross multiply
    30,483.88x = 45,451.96 × 27,880.36
  4. Step 4: Simplify right side
    30,483.88x = 1,267,217,007.51
  5. Step 5: Solve for x
    x = 1,267,217,007.51/30,483.88
  6. Step 6: Final answer
    x = 41,570.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.