Home / 53,109.07-73,291.45-28,910.73

Finding the Fourth Proportional to 53,109.07, 73,291.45 and 28,910.73

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Solution

The fourth proportional to 53,109.07, 73,291.45 and 28,910.73 is: 39,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,109.07 : 73,291.45 = 28,910.73 : x
  2. Step 2: Convert to fraction form
    53,109.07/73,291.45 = 28,910.73/x
  3. Step 3: Cross multiply
    53,109.07x = 73,291.45 × 28,910.73
  4. Step 4: Simplify right side
    53,109.07x = 2,118,909,322.26
  5. Step 5: Solve for x
    x = 2,118,909,322.26/53,109.07
  6. Step 6: Final answer
    x = 39,897.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.