Home / 37,286.16-51,453.36-20,518.08

Finding the Fourth Proportional to 37,286.16, 51,453.36 and 20,518.08

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Solution

The fourth proportional to 37,286.16, 51,453.36 and 20,518.08 is: 28,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.16 : 51,453.36 = 20,518.08 : x
  2. Step 2: Convert to fraction form
    37,286.16/51,453.36 = 20,518.08/x
  3. Step 3: Cross multiply
    37,286.16x = 51,453.36 × 20,518.08
  4. Step 4: Simplify right side
    37,286.16x = 1,055,724,156.75
  5. Step 5: Solve for x
    x = 1,055,724,156.75/37,286.16
  6. Step 6: Final answer
    x = 28,314.10

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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.