Home / 49,021.40-67,649.53-27,800.67

Finding the Fourth Proportional to 49,021.40, 67,649.53 and 27,800.67

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Solution

The fourth proportional to 49,021.40, 67,649.53 and 27,800.67 is: 38,364.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.40 : 67,649.53 = 27,800.67 : x
  2. Step 2: Convert to fraction form
    49,021.40/67,649.53 = 27,800.67/x
  3. Step 3: Cross multiply
    49,021.40x = 67,649.53 × 27,800.67
  4. Step 4: Simplify right side
    49,021.40x = 1,880,702,089.55
  5. Step 5: Solve for x
    x = 1,880,702,089.55/49,021.40
  6. Step 6: Final answer
    x = 38,364.92

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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.