Home / 37,617.51-51,917.85-21,698.58

Finding the Fourth Proportional to 37,617.51, 51,917.85 and 21,698.58

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Solution

The fourth proportional to 37,617.51, 51,917.85 and 21,698.58 is: 29,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.51 : 51,917.85 = 21,698.58 : x
  2. Step 2: Convert to fraction form
    37,617.51/51,917.85 = 21,698.58/x
  3. Step 3: Cross multiply
    37,617.51x = 51,917.85 × 21,698.58
  4. Step 4: Simplify right side
    37,617.51x = 1,126,543,621.65
  5. Step 5: Solve for x
    x = 1,126,543,621.65/37,617.51
  6. Step 6: Final answer
    x = 29,947.32

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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.