Home / 49,309.96-68,048.22-28,089.40

Finding the Fourth Proportional to 49,309.96, 68,048.22 and 28,089.40

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Solution

The fourth proportional to 49,309.96, 68,048.22 and 28,089.40 is: 38,763.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,309.96 : 68,048.22 = 28,089.40 : x
  2. Step 2: Convert to fraction form
    49,309.96/68,048.22 = 28,089.40/x
  3. Step 3: Cross multiply
    49,309.96x = 68,048.22 × 28,089.40
  4. Step 4: Simplify right side
    49,309.96x = 1,911,433,670.87
  5. Step 5: Solve for x
    x = 1,911,433,670.87/49,309.96
  6. Step 6: Final answer
    x = 38,763.64

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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.