Home / 53,994.58-74,518.29-30,129.54

Finding the Fourth Proportional to 53,994.58, 74,518.29 and 30,129.54

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Solution

The fourth proportional to 53,994.58, 74,518.29 and 30,129.54 is: 41,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,994.58 : 74,518.29 = 30,129.54 : x
  2. Step 2: Convert to fraction form
    53,994.58/74,518.29 = 30,129.54/x
  3. Step 3: Cross multiply
    53,994.58x = 74,518.29 × 30,129.54
  4. Step 4: Simplify right side
    53,994.58x = 2,245,201,799.29
  5. Step 5: Solve for x
    x = 2,245,201,799.29/53,994.58
  6. Step 6: Final answer
    x = 41,581.98

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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.