Home / 73,030.60-109,589.10-26,277.40

Finding the Fourth Proportional to 73,030.60, 109,589.10 and 26,277.40

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Solution

The fourth proportional to 73,030.60, 109,589.10 and 26,277.40 is: 39,431.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,030.60 : 109,589.10 = 26,277.40 : x
  2. Step 2: Convert to fraction form
    73,030.60/109,589.10 = 26,277.40/x
  3. Step 3: Cross multiply
    73,030.60x = 109,589.10 × 26,277.40
  4. Step 4: Simplify right side
    73,030.60x = 2,879,716,616.34
  5. Step 5: Solve for x
    x = 2,879,716,616.34/73,030.60
  6. Step 6: Final answer
    x = 39,431.64

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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.