Home / 30,069.56-41,496.10-18,133.40

Finding the Fourth Proportional to 30,069.56, 41,496.10 and 18,133.40

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Solution

The fourth proportional to 30,069.56, 41,496.10 and 18,133.40 is: 25,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.56 : 41,496.10 = 18,133.40 : x
  2. Step 2: Convert to fraction form
    30,069.56/41,496.10 = 18,133.40/x
  3. Step 3: Cross multiply
    30,069.56x = 41,496.10 × 18,133.40
  4. Step 4: Simplify right side
    30,069.56x = 752,465,438.15
  5. Step 5: Solve for x
    x = 752,465,438.15/30,069.56
  6. Step 6: Final answer
    x = 25,024.16

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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.