Home / 30,884.87-42,623.75-25,840.19

Finding the Fourth Proportional to 30,884.87, 42,623.75 and 25,840.19

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Solution

The fourth proportional to 30,884.87, 42,623.75 and 25,840.19 is: 35,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,884.87 : 42,623.75 = 25,840.19 : x
  2. Step 2: Convert to fraction form
    30,884.87/42,623.75 = 25,840.19/x
  3. Step 3: Cross multiply
    30,884.87x = 42,623.75 × 25,840.19
  4. Step 4: Simplify right side
    30,884.87x = 1,101,405,798.51
  5. Step 5: Solve for x
    x = 1,101,405,798.51/30,884.87
  6. Step 6: Final answer
    x = 35,661.66

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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.