Home / 37,637.72-51,940.59-20,643.59

Finding the Fourth Proportional to 37,637.72, 51,940.59 and 20,643.59

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Solution

The fourth proportional to 37,637.72, 51,940.59 and 20,643.59 is: 28,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,637.72 : 51,940.59 = 20,643.59 : x
  2. Step 2: Convert to fraction form
    37,637.72/51,940.59 = 20,643.59/x
  3. Step 3: Cross multiply
    37,637.72x = 51,940.59 × 20,643.59
  4. Step 4: Simplify right side
    37,637.72x = 1,072,239,984.62
  5. Step 5: Solve for x
    x = 1,072,239,984.62/37,637.72
  6. Step 6: Final answer
    x = 28,488.45

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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.