Home / 45,838.32-68,709.48-19,199.52

Finding the Fourth Proportional to 45,838.32, 68,709.48 and 19,199.52

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Solution

The fourth proportional to 45,838.32, 68,709.48 and 19,199.52 is: 28,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,838.32 : 68,709.48 = 19,199.52 : x
  2. Step 2: Convert to fraction form
    45,838.32/68,709.48 = 19,199.52/x
  3. Step 3: Cross multiply
    45,838.32x = 68,709.48 × 19,199.52
  4. Step 4: Simplify right side
    45,838.32x = 1,319,189,035.45
  5. Step 5: Solve for x
    x = 1,319,189,035.45/45,838.32
  6. Step 6: Final answer
    x = 28,779.18

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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.