Home / 49,699.08-68,586.30-28,485

Finding the Fourth Proportional to 49,699.08, 68,586.30 and 28,485

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Solution

The fourth proportional to 49,699.08, 68,586.30 and 28,485 is: 39,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.08 : 68,586.30 = 28,485 : x
  2. Step 2: Convert to fraction form
    49,699.08/68,586.30 = 28,485/x
  3. Step 3: Cross multiply
    49,699.08x = 68,586.30 × 28,485
  4. Step 4: Simplify right side
    49,699.08x = 1,953,680,755.50
  5. Step 5: Solve for x
    x = 1,953,680,755.50/49,699.08
  6. Step 6: Final answer
    x = 39,310.20

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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.