Home / 48,220.29-72,335.21-20,149.12

Finding the Fourth Proportional to 48,220.29, 72,335.21 and 20,149.12

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Solution

The fourth proportional to 48,220.29, 72,335.21 and 20,149.12 is: 30,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,220.29 : 72,335.21 = 20,149.12 : x
  2. Step 2: Convert to fraction form
    48,220.29/72,335.21 = 20,149.12/x
  3. Step 3: Cross multiply
    48,220.29x = 72,335.21 × 20,149.12
  4. Step 4: Simplify right side
    48,220.29x = 1,457,490,515.21
  5. Step 5: Solve for x
    x = 1,457,490,515.21/48,220.29
  6. Step 6: Final answer
    x = 30,225.67

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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.