Home / 37,389.69-56,084.13-21,618.45

Finding the Fourth Proportional to 37,389.69, 56,084.13 and 21,618.45

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Solution

The fourth proportional to 37,389.69, 56,084.13 and 21,618.45 is: 32,427.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,389.69 : 56,084.13 = 21,618.45 : x
  2. Step 2: Convert to fraction form
    37,389.69/56,084.13 = 21,618.45/x
  3. Step 3: Cross multiply
    37,389.69x = 56,084.13 × 21,618.45
  4. Step 4: Simplify right side
    37,389.69x = 1,212,451,960.20
  5. Step 5: Solve for x
    x = 1,212,451,960.20/37,389.69
  6. Step 6: Final answer
    x = 32,427.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.