Home / 37,973.75-52,403.53-20,979.09

Finding the Fourth Proportional to 37,973.75, 52,403.53 and 20,979.09

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Solution

The fourth proportional to 37,973.75, 52,403.53 and 20,979.09 is: 28,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,973.75 : 52,403.53 = 20,979.09 : x
  2. Step 2: Convert to fraction form
    37,973.75/52,403.53 = 20,979.09/x
  3. Step 3: Cross multiply
    37,973.75x = 52,403.53 × 20,979.09
  4. Step 4: Simplify right side
    37,973.75x = 1,099,378,319.74
  5. Step 5: Solve for x
    x = 1,099,378,319.74/37,973.75
  6. Step 6: Final answer
    x = 28,951.01

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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.