Home / 54,587.16-81,880.74-30,118.68

Finding the Fourth Proportional to 54,587.16, 81,880.74 and 30,118.68

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Solution

The fourth proportional to 54,587.16, 81,880.74 and 30,118.68 is: 45,178.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,587.16 : 81,880.74 = 30,118.68 : x
  2. Step 2: Convert to fraction form
    54,587.16/81,880.74 = 30,118.68/x
  3. Step 3: Cross multiply
    54,587.16x = 81,880.74 × 30,118.68
  4. Step 4: Simplify right side
    54,587.16x = 2,466,139,806.22
  5. Step 5: Solve for x
    x = 2,466,139,806.22/54,587.16
  6. Step 6: Final answer
    x = 45,178.02

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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.