Home / 30,281.09-45,414.63-11,554.29

Finding the Fourth Proportional to 30,281.09, 45,414.63 and 11,554.29

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Solution

The fourth proportional to 30,281.09, 45,414.63 and 11,554.29 is: 17,328.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.09 : 45,414.63 = 11,554.29 : x
  2. Step 2: Convert to fraction form
    30,281.09/45,414.63 = 11,554.29/x
  3. Step 3: Cross multiply
    30,281.09x = 45,414.63 × 11,554.29
  4. Step 4: Simplify right side
    30,281.09x = 524,733,805.26
  5. Step 5: Solve for x
    x = 524,733,805.26/30,281.09
  6. Step 6: Final answer
    x = 17,328.76

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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.