Home / 30,258.41-41,750.63-18,322.86

Finding the Fourth Proportional to 30,258.41, 41,750.63 and 18,322.86

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Solution

The fourth proportional to 30,258.41, 41,750.63 and 18,322.86 is: 25,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.41 : 41,750.63 = 18,322.86 : x
  2. Step 2: Convert to fraction form
    30,258.41/41,750.63 = 18,322.86/x
  3. Step 3: Cross multiply
    30,258.41x = 41,750.63 × 18,322.86
  4. Step 4: Simplify right side
    30,258.41x = 764,990,948.40
  5. Step 5: Solve for x
    x = 764,990,948.40/30,258.41
  6. Step 6: Final answer
    x = 25,281.93

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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.