Home / 48,218.28-72,328.22-14,485.62

Finding the Fourth Proportional to 48,218.28, 72,328.22 and 14,485.62

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Solution

The fourth proportional to 48,218.28, 72,328.22 and 14,485.62 is: 21,728.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,218.28 : 72,328.22 = 14,485.62 : x
  2. Step 2: Convert to fraction form
    48,218.28/72,328.22 = 14,485.62/x
  3. Step 3: Cross multiply
    48,218.28x = 72,328.22 × 14,485.62
  4. Step 4: Simplify right side
    48,218.28x = 1,047,719,110.20
  5. Step 5: Solve for x
    x = 1,047,719,110.20/48,218.28
  6. Step 6: Final answer
    x = 21,728.67

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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.