Home / 30,277.08-45,386.46-9,495.72

Finding the Fourth Proportional to 30,277.08, 45,386.46 and 9,495.72

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Solution

The fourth proportional to 30,277.08, 45,386.46 and 9,495.72 is: 14,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.08 : 45,386.46 = 9,495.72 : x
  2. Step 2: Convert to fraction form
    30,277.08/45,386.46 = 9,495.72/x
  3. Step 3: Cross multiply
    30,277.08x = 45,386.46 × 9,495.72
  4. Step 4: Simplify right side
    30,277.08x = 430,977,115.95
  5. Step 5: Solve for x
    x = 430,977,115.95/30,277.08
  6. Step 6: Final answer
    x = 14,234.43

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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.