Home / 20,331.71-30,492.86-5,537.67

Finding the Fourth Proportional to 20,331.71, 30,492.86 and 5,537.67

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Solution

The fourth proportional to 20,331.71, 30,492.86 and 5,537.67 is: 8,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.71 : 30,492.86 = 5,537.67 : x
  2. Step 2: Convert to fraction form
    20,331.71/30,492.86 = 5,537.67/x
  3. Step 3: Cross multiply
    20,331.71x = 30,492.86 × 5,537.67
  4. Step 4: Simplify right side
    20,331.71x = 168,859,254.00
  5. Step 5: Solve for x
    x = 168,859,254.00/20,331.71
  6. Step 6: Final answer
    x = 8,305.22

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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.