Home / 37,380.29-51,586.03-20,385.45

Finding the Fourth Proportional to 37,380.29, 51,586.03 and 20,385.45

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Solution

The fourth proportional to 37,380.29, 51,586.03 and 20,385.45 is: 28,132.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,380.29 : 51,586.03 = 20,385.45 : x
  2. Step 2: Convert to fraction form
    37,380.29/51,586.03 = 20,385.45/x
  3. Step 3: Cross multiply
    37,380.29x = 51,586.03 × 20,385.45
  4. Step 4: Simplify right side
    37,380.29x = 1,051,604,654.19
  5. Step 5: Solve for x
    x = 1,051,604,654.19/37,380.29
  6. Step 6: Final answer
    x = 28,132.60

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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.