Home / 40,403.30-60,608.45-12,329.67

Finding the Fourth Proportional to 40,403.30, 60,608.45 and 12,329.67

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Solution

The fourth proportional to 40,403.30, 60,608.45 and 12,329.67 is: 18,495.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.30 : 60,608.45 = 12,329.67 : x
  2. Step 2: Convert to fraction form
    40,403.30/60,608.45 = 12,329.67/x
  3. Step 3: Cross multiply
    40,403.30x = 60,608.45 × 12,329.67
  4. Step 4: Simplify right side
    40,403.30x = 747,282,126.06
  5. Step 5: Solve for x
    x = 747,282,126.06/40,403.30
  6. Step 6: Final answer
    x = 18,495.57

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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.