Home / 53,405.10-80,100.70-13,965.26

Finding the Fourth Proportional to 53,405.10, 80,100.70 and 13,965.26

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Solution

The fourth proportional to 53,405.10, 80,100.70 and 13,965.26 is: 20,946.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,405.10 : 80,100.70 = 13,965.26 : x
  2. Step 2: Convert to fraction form
    53,405.10/80,100.70 = 13,965.26/x
  3. Step 3: Cross multiply
    53,405.10x = 80,100.70 × 13,965.26
  4. Step 4: Simplify right side
    53,405.10x = 1,118,626,666.27
  5. Step 5: Solve for x
    x = 1,118,626,666.27/53,405.10
  6. Step 6: Final answer
    x = 20,946.06

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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.