Home / 30,069.18-41,529.58-20,492.67

Finding the Fourth Proportional to 30,069.18, 41,529.58 and 20,492.67

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Solution

The fourth proportional to 30,069.18, 41,529.58 and 20,492.67 is: 28,303.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.18 : 41,529.58 = 20,492.67 : x
  2. Step 2: Convert to fraction form
    30,069.18/41,529.58 = 20,492.67/x
  3. Step 3: Cross multiply
    30,069.18x = 41,529.58 × 20,492.67
  4. Step 4: Simplify right side
    30,069.18x = 851,051,978.18
  5. Step 5: Solve for x
    x = 851,051,978.18/30,069.18
  6. Step 6: Final answer
    x = 28,303.13

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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.