Home / 50,721.93-76,068.03-19,109.19

Finding the Fourth Proportional to 50,721.93, 76,068.03 and 19,109.19

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Solution

The fourth proportional to 50,721.93, 76,068.03 and 19,109.19 is: 28,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,721.93 : 76,068.03 = 19,109.19 : x
  2. Step 2: Convert to fraction form
    50,721.93/76,068.03 = 19,109.19/x
  3. Step 3: Cross multiply
    50,721.93x = 76,068.03 × 19,109.19
  4. Step 4: Simplify right side
    50,721.93x = 1,453,598,105.63
  5. Step 5: Solve for x
    x = 1,453,598,105.63/50,721.93
  6. Step 6: Final answer
    x = 28,658.18

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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.