Home / 37,485.36-51,729.60-20,718.36

Finding the Fourth Proportional to 37,485.36, 51,729.60 and 20,718.36

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Solution

The fourth proportional to 37,485.36, 51,729.60 and 20,718.36 is: 28,591.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.36 : 51,729.60 = 20,718.36 : x
  2. Step 2: Convert to fraction form
    37,485.36/51,729.60 = 20,718.36/x
  3. Step 3: Cross multiply
    37,485.36x = 51,729.60 × 20,718.36
  4. Step 4: Simplify right side
    37,485.36x = 1,071,752,475.46
  5. Step 5: Solve for x
    x = 1,071,752,475.46/37,485.36
  6. Step 6: Final answer
    x = 28,591.23

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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.