Home / 30,130.81-41,583.45-17,554.75

Finding the Fourth Proportional to 30,130.81, 41,583.45 and 17,554.75

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Solution

The fourth proportional to 30,130.81, 41,583.45 and 17,554.75 is: 24,227.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.81 : 41,583.45 = 17,554.75 : x
  2. Step 2: Convert to fraction form
    30,130.81/41,583.45 = 17,554.75/x
  3. Step 3: Cross multiply
    30,130.81x = 41,583.45 × 17,554.75
  4. Step 4: Simplify right side
    30,130.81x = 729,987,068.89
  5. Step 5: Solve for x
    x = 729,987,068.89/30,130.81
  6. Step 6: Final answer
    x = 24,227.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.