Home / 37,384.40-51,589.81-20,388.77

Finding the Fourth Proportional to 37,384.40, 51,589.81 and 20,388.77

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Solution

The fourth proportional to 37,384.40, 51,589.81 and 20,388.77 is: 28,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,384.40 : 51,589.81 = 20,388.77 : x
  2. Step 2: Convert to fraction form
    37,384.40/51,589.81 = 20,388.77/x
  3. Step 3: Cross multiply
    37,384.40x = 51,589.81 × 20,388.77
  4. Step 4: Simplify right side
    37,384.40x = 1,051,852,770.43
  5. Step 5: Solve for x
    x = 1,051,852,770.43/37,384.40
  6. Step 6: Final answer
    x = 28,136.14

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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.