Home / 30,017.00-45,011.36-17,540.63

Finding the Fourth Proportional to 30,017.00, 45,011.36 and 17,540.63

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Solution

The fourth proportional to 30,017.00, 45,011.36 and 17,540.63 is: 26,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,017.00 : 45,011.36 = 17,540.63 : x
  2. Step 2: Convert to fraction form
    30,017.00/45,011.36 = 17,540.63/x
  3. Step 3: Cross multiply
    30,017.00x = 45,011.36 × 17,540.63
  4. Step 4: Simplify right side
    30,017.00x = 789,527,298.80
  5. Step 5: Solve for x
    x = 789,527,298.80/30,017.00
  6. Step 6: Final answer
    x = 26,302.68

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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.