Home / 37,485.36-51,729.48-20,718.24

Finding the Fourth Proportional to 37,485.36, 51,729.48 and 20,718.24

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Solution

The fourth proportional to 37,485.36, 51,729.48 and 20,718.24 is: 28,591.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.36 : 51,729.48 = 20,718.24 : x
  2. Step 2: Convert to fraction form
    37,485.36/51,729.48 = 20,718.24/x
  3. Step 3: Cross multiply
    37,485.36x = 51,729.48 × 20,718.24
  4. Step 4: Simplify right side
    37,485.36x = 1,071,743,781.72
  5. Step 5: Solve for x
    x = 1,071,743,781.72/37,485.36
  6. Step 6: Final answer
    x = 28,591.00

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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.