Home / 53,339.80-80,007.60-13,897.24

Finding the Fourth Proportional to 53,339.80, 80,007.60 and 13,897.24

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Solution

The fourth proportional to 53,339.80, 80,007.60 and 13,897.24 is: 20,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,339.80 : 80,007.60 = 13,897.24 : x
  2. Step 2: Convert to fraction form
    53,339.80/80,007.60 = 13,897.24/x
  3. Step 3: Cross multiply
    53,339.80x = 80,007.60 × 13,897.24
  4. Step 4: Simplify right side
    53,339.80x = 1,111,884,819.02
  5. Step 5: Solve for x
    x = 1,111,884,819.02/53,339.80
  6. Step 6: Final answer
    x = 20,845.31

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1.5x scale

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.