Home / 53,720.26-80,572.95-14,280.58

Finding the Fourth Proportional to 53,720.26, 80,572.95 and 14,280.58

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Solution

The fourth proportional to 53,720.26, 80,572.95 and 14,280.58 is: 21,418.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,720.26 : 80,572.95 = 14,280.58 : x
  2. Step 2: Convert to fraction form
    53,720.26/80,572.95 = 14,280.58/x
  3. Step 3: Cross multiply
    53,720.26x = 80,572.95 × 14,280.58
  4. Step 4: Simplify right side
    53,720.26x = 1,150,628,458.31
  5. Step 5: Solve for x
    x = 1,150,628,458.31/53,720.26
  6. Step 6: Final answer
    x = 21,418.89

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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.