Home / 30,289.98-45,442.16-9,513.48

Finding the Fourth Proportional to 30,289.98, 45,442.16 and 9,513.48

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Solution

The fourth proportional to 30,289.98, 45,442.16 and 9,513.48 is: 14,272.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.98 : 45,442.16 = 9,513.48 : x
  2. Step 2: Convert to fraction form
    30,289.98/45,442.16 = 9,513.48/x
  3. Step 3: Cross multiply
    30,289.98x = 45,442.16 × 9,513.48
  4. Step 4: Simplify right side
    30,289.98x = 432,313,032.75
  5. Step 5: Solve for x
    x = 432,313,032.75/30,289.98
  6. Step 6: Final answer
    x = 14,272.48

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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.