Home / 37,704.12-52,030.20-20,938.20

Finding the Fourth Proportional to 37,704.12, 52,030.20 and 20,938.20

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Solution

The fourth proportional to 37,704.12, 52,030.20 and 20,938.20 is: 28,893.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,704.12 : 52,030.20 = 20,938.20 : x
  2. Step 2: Convert to fraction form
    37,704.12/52,030.20 = 20,938.20/x
  3. Step 3: Cross multiply
    37,704.12x = 52,030.20 × 20,938.20
  4. Step 4: Simplify right side
    37,704.12x = 1,089,418,733.64
  5. Step 5: Solve for x
    x = 1,089,418,733.64/37,704.12
  6. Step 6: Final answer
    x = 28,893.89

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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.