Home / 49,393.08-68,161.75-28,172.70

Finding the Fourth Proportional to 49,393.08, 68,161.75 and 28,172.70

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Solution

The fourth proportional to 49,393.08, 68,161.75 and 28,172.70 is: 38,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,393.08 : 68,161.75 = 28,172.70 : x
  2. Step 2: Convert to fraction form
    49,393.08/68,161.75 = 28,172.70/x
  3. Step 3: Cross multiply
    49,393.08x = 68,161.75 × 28,172.70
  4. Step 4: Simplify right side
    49,393.08x = 1,920,300,534.23
  5. Step 5: Solve for x
    x = 1,920,300,534.23/49,393.08
  6. Step 6: Final answer
    x = 38,877.93

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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.