Home / 37,721.68-52,055.71-20,493.90

Finding the Fourth Proportional to 37,721.68, 52,055.71 and 20,493.90

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Solution

The fourth proportional to 37,721.68, 52,055.71 and 20,493.90 is: 28,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,721.68 : 52,055.71 = 20,493.90 : x
  2. Step 2: Convert to fraction form
    37,721.68/52,055.71 = 20,493.90/x
  3. Step 3: Cross multiply
    37,721.68x = 52,055.71 × 20,493.90
  4. Step 4: Simplify right side
    37,721.68x = 1,066,824,515.17
  5. Step 5: Solve for x
    x = 1,066,824,515.17/37,721.68
  6. Step 6: Final answer
    x = 28,281.47

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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.