Home / 30,012.03-45,022.91-9,235.53

Finding the Fourth Proportional to 30,012.03, 45,022.91 and 9,235.53

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Solution

The fourth proportional to 30,012.03, 45,022.91 and 9,235.53 is: 13,854.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,012.03 : 45,022.91 = 9,235.53 : x
  2. Step 2: Convert to fraction form
    30,012.03/45,022.91 = 9,235.53/x
  3. Step 3: Cross multiply
    30,012.03x = 45,022.91 × 9,235.53
  4. Step 4: Simplify right side
    30,012.03x = 415,810,389.81
  5. Step 5: Solve for x
    x = 415,810,389.81/30,012.03
  6. Step 6: Final answer
    x = 13,854.79

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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.