Home / 37,917.48-52,325.80-20,921.90

Finding the Fourth Proportional to 37,917.48, 52,325.80 and 20,921.90

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Solution

The fourth proportional to 37,917.48, 52,325.80 and 20,921.90 is: 28,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,917.48 : 52,325.80 = 20,921.90 : x
  2. Step 2: Convert to fraction form
    37,917.48/52,325.80 = 20,921.90/x
  3. Step 3: Cross multiply
    37,917.48x = 52,325.80 × 20,921.90
  4. Step 4: Simplify right side
    37,917.48x = 1,094,754,841.09
  5. Step 5: Solve for x
    x = 1,094,754,841.09/37,917.48
  6. Step 6: Final answer
    x = 28,872.03

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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.