Home / 37,918.48-52,327.18-20,922.90

Finding the Fourth Proportional to 37,918.48, 52,327.18 and 20,922.90

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Solution

The fourth proportional to 37,918.48, 52,327.18 and 20,922.90 is: 28,873.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.48 : 52,327.18 = 20,922.90 : x
  2. Step 2: Convert to fraction form
    37,918.48/52,327.18 = 20,922.90/x
  3. Step 3: Cross multiply
    37,918.48x = 52,327.18 × 20,922.90
  4. Step 4: Simplify right side
    37,918.48x = 1,094,836,354.42
  5. Step 5: Solve for x
    x = 1,094,836,354.42/37,918.48
  6. Step 6: Final answer
    x = 28,873.42

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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.