Home / 30,381.96-45,544.80-15,558.24

Finding the Fourth Proportional to 30,381.96, 45,544.80 and 15,558.24

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Solution

The fourth proportional to 30,381.96, 45,544.80 and 15,558.24 is: 23,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.96 : 45,544.80 = 15,558.24 : x
  2. Step 2: Convert to fraction form
    30,381.96/45,544.80 = 15,558.24/x
  3. Step 3: Cross multiply
    30,381.96x = 45,544.80 × 15,558.24
  4. Step 4: Simplify right side
    30,381.96x = 708,596,929.15
  5. Step 5: Solve for x
    x = 708,596,929.15/30,381.96
  6. Step 6: Final answer
    x = 23,322.95

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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.