Home / 49,988.57-68,984.28-28,767.85

Finding the Fourth Proportional to 49,988.57, 68,984.28 and 28,767.85

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Solution

The fourth proportional to 49,988.57, 68,984.28 and 28,767.85 is: 39,699.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.57 : 68,984.28 = 28,767.85 : x
  2. Step 2: Convert to fraction form
    49,988.57/68,984.28 = 28,767.85/x
  3. Step 3: Cross multiply
    49,988.57x = 68,984.28 × 28,767.85
  4. Step 4: Simplify right side
    49,988.57x = 1,984,529,613.51
  5. Step 5: Solve for x
    x = 1,984,529,613.51/49,988.57
  6. Step 6: Final answer
    x = 39,699.67

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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.