Home / 53,865.10-80,746.53-18,795.34

Finding the Fourth Proportional to 53,865.10, 80,746.53 and 18,795.34

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Solution

The fourth proportional to 53,865.10, 80,746.53 and 18,795.34 is: 28,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,865.10 : 80,746.53 = 18,795.34 : x
  2. Step 2: Convert to fraction form
    53,865.10/80,746.53 = 18,795.34/x
  3. Step 3: Cross multiply
    53,865.10x = 80,746.53 × 18,795.34
  4. Step 4: Simplify right side
    53,865.10x = 1,517,658,485.17
  5. Step 5: Solve for x
    x = 1,517,658,485.17/53,865.10
  6. Step 6: Final answer
    x = 28,175.17

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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.