Home / 50,319.92-75,492.84-19,138.16

Finding the Fourth Proportional to 50,319.92, 75,492.84 and 19,138.16

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Solution

The fourth proportional to 50,319.92, 75,492.84 and 19,138.16 is: 28,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.92 : 75,492.84 = 19,138.16 : x
  2. Step 2: Convert to fraction form
    50,319.92/75,492.84 = 19,138.16/x
  3. Step 3: Cross multiply
    50,319.92x = 75,492.84 × 19,138.16
  4. Step 4: Simplify right side
    50,319.92x = 1,444,794,050.77
  5. Step 5: Solve for x
    x = 1,444,794,050.77/50,319.92
  6. Step 6: Final answer
    x = 28,712.17

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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.