Home / 65,913.04-98,889.72-19,166.32

Finding the Fourth Proportional to 65,913.04, 98,889.72 and 19,166.32

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Solution

The fourth proportional to 65,913.04, 98,889.72 and 19,166.32 is: 28,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,913.04 : 98,889.72 = 19,166.32 : x
  2. Step 2: Convert to fraction form
    65,913.04/98,889.72 = 19,166.32/x
  3. Step 3: Cross multiply
    65,913.04x = 98,889.72 × 19,166.32
  4. Step 4: Simplify right side
    65,913.04x = 1,895,352,018.23
  5. Step 5: Solve for x
    x = 1,895,352,018.23/65,913.04
  6. Step 6: Final answer
    x = 28,755.34

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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.