Home / 37,255.65-51,415.71-21,345.21

Finding the Fourth Proportional to 37,255.65, 51,415.71 and 21,345.21

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Solution

The fourth proportional to 37,255.65, 51,415.71 and 21,345.21 is: 29,458.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,255.65 : 51,415.71 = 21,345.21 : x
  2. Step 2: Convert to fraction form
    37,255.65/51,415.71 = 21,345.21/x
  3. Step 3: Cross multiply
    37,255.65x = 51,415.71 × 21,345.21
  4. Step 4: Simplify right side
    37,255.65x = 1,097,479,127.25
  5. Step 5: Solve for x
    x = 1,097,479,127.25/37,255.65
  6. Step 6: Final answer
    x = 29,458.06

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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.