Home / 53,235.26-79,905.72-28,275.51

Finding the Fourth Proportional to 53,235.26, 79,905.72 and 28,275.51

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Solution

The fourth proportional to 53,235.26, 79,905.72 and 28,275.51 is: 42,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,235.26 : 79,905.72 = 28,275.51 : x
  2. Step 2: Convert to fraction form
    53,235.26/79,905.72 = 28,275.51/x
  3. Step 3: Cross multiply
    53,235.26x = 79,905.72 × 28,275.51
  4. Step 4: Simplify right side
    53,235.26x = 2,259,374,984.92
  5. Step 5: Solve for x
    x = 2,259,374,984.92/53,235.26
  6. Step 6: Final answer
    x = 42,441.33

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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.