Home / 46,000.56-68,998.68-12,720.36

Finding the Fourth Proportional to 46,000.56, 68,998.68 and 12,720.36

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Solution

The fourth proportional to 46,000.56, 68,998.68 and 12,720.36 is: 19,079.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,000.56 : 68,998.68 = 12,720.36 : x
  2. Step 2: Convert to fraction form
    46,000.56/68,998.68 = 12,720.36/x
  3. Step 3: Cross multiply
    46,000.56x = 68,998.68 × 12,720.36
  4. Step 4: Simplify right side
    46,000.56x = 877,688,049.12
  5. Step 5: Solve for x
    x = 877,688,049.12/46,000.56
  6. Step 6: Final answer
    x = 19,079.94

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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.