Home / 30,587.95-45,863.21-27,977.45

Finding the Fourth Proportional to 30,587.95, 45,863.21 and 27,977.45

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Solution

The fourth proportional to 30,587.95, 45,863.21 and 27,977.45 is: 41,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587.95 : 45,863.21 = 27,977.45 : x
  2. Step 2: Convert to fraction form
    30,587.95/45,863.21 = 27,977.45/x
  3. Step 3: Cross multiply
    30,587.95x = 45,863.21 × 27,977.45
  4. Step 4: Simplify right side
    30,587.95x = 1,283,135,763.22
  5. Step 5: Solve for x
    x = 1,283,135,763.22/30,587.95
  6. Step 6: Final answer
    x = 41,949.05

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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.