Home / 37,088.08-51,180.36-20,320.72

Finding the Fourth Proportional to 37,088.08, 51,180.36 and 20,320.72

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Solution

The fourth proportional to 37,088.08, 51,180.36 and 20,320.72 is: 28,041.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,088.08 : 51,180.36 = 20,320.72 : x
  2. Step 2: Convert to fraction form
    37,088.08/51,180.36 = 20,320.72/x
  3. Step 3: Cross multiply
    37,088.08x = 51,180.36 × 20,320.72
  4. Step 4: Simplify right side
    37,088.08x = 1,040,021,765.06
  5. Step 5: Solve for x
    x = 1,040,021,765.06/37,088.08
  6. Step 6: Final answer
    x = 28,041.94

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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.