Home / 37,670.75-51,988.07-20,903.75

Finding the Fourth Proportional to 37,670.75, 51,988.07 and 20,903.75

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Solution

The fourth proportional to 37,670.75, 51,988.07 and 20,903.75 is: 28,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.75 : 51,988.07 = 20,903.75 : x
  2. Step 2: Convert to fraction form
    37,670.75/51,988.07 = 20,903.75/x
  3. Step 3: Cross multiply
    37,670.75x = 51,988.07 × 20,903.75
  4. Step 4: Simplify right side
    37,670.75x = 1,086,745,513.74
  5. Step 5: Solve for x
    x = 1,086,745,513.74/37,670.75
  6. Step 6: Final answer
    x = 28,848.52

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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.