Home / 38,492.12-57,756-20,941.04

Finding the Fourth Proportional to 38,492.12, 57,756 and 20,941.04

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Solution

The fourth proportional to 38,492.12, 57,756 and 20,941.04 is: 31,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.12 : 57,756 = 20,941.04 : x
  2. Step 2: Convert to fraction form
    38,492.12/57,756 = 20,941.04/x
  3. Step 3: Cross multiply
    38,492.12x = 57,756 × 20,941.04
  4. Step 4: Simplify right side
    38,492.12x = 1,209,470,706.24
  5. Step 5: Solve for x
    x = 1,209,470,706.24/38,492.12
  6. Step 6: Final answer
    x = 31,421.25

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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.