Home / 30,130.11-41,571.18-18,025.56

Finding the Fourth Proportional to 30,130.11, 41,571.18 and 18,025.56

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Solution

The fourth proportional to 30,130.11, 41,571.18 and 18,025.56 is: 24,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,130.11 : 41,571.18 = 18,025.56 : x
  2. Step 2: Convert to fraction form
    30,130.11/41,571.18 = 18,025.56/x
  3. Step 3: Cross multiply
    30,130.11x = 41,571.18 × 18,025.56
  4. Step 4: Simplify right side
    30,130.11x = 749,343,799.36
  5. Step 5: Solve for x
    x = 749,343,799.36/30,130.11
  6. Step 6: Final answer
    x = 24,870.26

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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.