Home / 53,355.31-80,081.39-28,416.49

Finding the Fourth Proportional to 53,355.31, 80,081.39 and 28,416.49

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Solution

The fourth proportional to 53,355.31, 80,081.39 and 28,416.49 is: 42,650.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,355.31 : 80,081.39 = 28,416.49 : x
  2. Step 2: Convert to fraction form
    53,355.31/80,081.39 = 28,416.49/x
  3. Step 3: Cross multiply
    53,355.31x = 80,081.39 × 28,416.49
  4. Step 4: Simplify right side
    53,355.31x = 2,275,631,888.96
  5. Step 5: Solve for x
    x = 2,275,631,888.96/53,355.31
  6. Step 6: Final answer
    x = 42,650.53

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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.