Home / 43,446.09-65,172.95-12,281.34

Finding the Fourth Proportional to 43,446.09, 65,172.95 and 12,281.34

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Solution

The fourth proportional to 43,446.09, 65,172.95 and 12,281.34 is: 18,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,446.09 : 65,172.95 = 12,281.34 : x
  2. Step 2: Convert to fraction form
    43,446.09/65,172.95 = 12,281.34/x
  3. Step 3: Cross multiply
    43,446.09x = 65,172.95 × 12,281.34
  4. Step 4: Simplify right side
    43,446.09x = 800,411,096.35
  5. Step 5: Solve for x
    x = 800,411,096.35/43,446.09
  6. Step 6: Final answer
    x = 18,423.09

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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.