Home / 31,399.02-43,287.35-25,047.16

Finding the Fourth Proportional to 31,399.02, 43,287.35 and 25,047.16

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Solution

The fourth proportional to 31,399.02, 43,287.35 and 25,047.16 is: 34,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.02 : 43,287.35 = 25,047.16 : x
  2. Step 2: Convert to fraction form
    31,399.02/43,287.35 = 25,047.16/x
  3. Step 3: Cross multiply
    31,399.02x = 43,287.35 × 25,047.16
  4. Step 4: Simplify right side
    31,399.02x = 1,084,224,947.97
  5. Step 5: Solve for x
    x = 1,084,224,947.97/31,399.02
  6. Step 6: Final answer
    x = 34,530.53

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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.