Home / 53,436.63-80,129.06-21,834.14

Finding the Fourth Proportional to 53,436.63, 80,129.06 and 21,834.14

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Solution

The fourth proportional to 53,436.63, 80,129.06 and 21,834.14 is: 32,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,436.63 : 80,129.06 = 21,834.14 : x
  2. Step 2: Convert to fraction form
    53,436.63/80,129.06 = 21,834.14/x
  3. Step 3: Cross multiply
    53,436.63x = 80,129.06 × 21,834.14
  4. Step 4: Simplify right side
    53,436.63x = 1,749,549,205.26
  5. Step 5: Solve for x
    x = 1,749,549,205.26/53,436.63
  6. Step 6: Final answer
    x = 32,740.64

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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.