Home / 53,884.12-74,362.39-30,010.80

Finding the Fourth Proportional to 53,884.12, 74,362.39 and 30,010.80

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Solution

The fourth proportional to 53,884.12, 74,362.39 and 30,010.80 is: 41,416.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,884.12 : 74,362.39 = 30,010.80 : x
  2. Step 2: Convert to fraction form
    53,884.12/74,362.39 = 30,010.80/x
  3. Step 3: Cross multiply
    53,884.12x = 74,362.39 × 30,010.80
  4. Step 4: Simplify right side
    53,884.12x = 2,231,674,813.81
  5. Step 5: Solve for x
    x = 2,231,674,813.81/53,884.12
  6. Step 6: Final answer
    x = 41,416.19

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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.