Home / 37,736.96-52,079.64-20,971.04

Finding the Fourth Proportional to 37,736.96, 52,079.64 and 20,971.04

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Solution

The fourth proportional to 37,736.96, 52,079.64 and 20,971.04 is: 28,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,736.96 : 52,079.64 = 20,971.04 : x
  2. Step 2: Convert to fraction form
    37,736.96/52,079.64 = 20,971.04/x
  3. Step 3: Cross multiply
    37,736.96x = 52,079.64 × 20,971.04
  4. Step 4: Simplify right side
    37,736.96x = 1,092,164,213.63
  5. Step 5: Solve for x
    x = 1,092,164,213.63/37,736.96
  6. Step 6: Final answer
    x = 28,941.50

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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.