Home / 47,328.16-71,019.38-19,243.03

Finding the Fourth Proportional to 47,328.16, 71,019.38 and 19,243.03

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Solution

The fourth proportional to 47,328.16, 71,019.38 and 19,243.03 is: 28,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,328.16 : 71,019.38 = 19,243.03 : x
  2. Step 2: Convert to fraction form
    47,328.16/71,019.38 = 19,243.03/x
  3. Step 3: Cross multiply
    47,328.16x = 71,019.38 × 19,243.03
  4. Step 4: Simplify right side
    47,328.16x = 1,366,628,059.92
  5. Step 5: Solve for x
    x = 1,366,628,059.92/47,328.16
  6. Step 6: Final answer
    x = 28,875.58

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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.