Home / 30,307.23-45,467.73-9,249.15

Finding the Fourth Proportional to 30,307.23, 45,467.73 and 9,249.15

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Solution

The fourth proportional to 30,307.23, 45,467.73 and 9,249.15 is: 13,875.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307.23 : 45,467.73 = 9,249.15 : x
  2. Step 2: Convert to fraction form
    30,307.23/45,467.73 = 9,249.15/x
  3. Step 3: Cross multiply
    30,307.23x = 45,467.73 × 9,249.15
  4. Step 4: Simplify right side
    30,307.23x = 420,537,808.68
  5. Step 5: Solve for x
    x = 420,537,808.68/30,307.23
  6. Step 6: Final answer
    x = 13,875.82

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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.