Home / 37,435.60-51,660.36-20,440.36

Finding the Fourth Proportional to 37,435.60, 51,660.36 and 20,440.36

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Solution

The fourth proportional to 37,435.60, 51,660.36 and 20,440.36 is: 28,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,435.60 : 51,660.36 = 20,440.36 : x
  2. Step 2: Convert to fraction form
    37,435.60/51,660.36 = 20,440.36/x
  3. Step 3: Cross multiply
    37,435.60x = 51,660.36 × 20,440.36
  4. Step 4: Simplify right side
    37,435.60x = 1,055,956,356.13
  5. Step 5: Solve for x
    x = 1,055,956,356.13/37,435.60
  6. Step 6: Final answer
    x = 28,207.28

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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.