Home / 51,730.22-77,598.79-20,138.24

Finding the Fourth Proportional to 51,730.22, 77,598.79 and 20,138.24

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Solution

The fourth proportional to 51,730.22, 77,598.79 and 20,138.24 is: 30,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,730.22 : 77,598.79 = 20,138.24 : x
  2. Step 2: Convert to fraction form
    51,730.22/77,598.79 = 20,138.24/x
  3. Step 3: Cross multiply
    51,730.22x = 77,598.79 × 20,138.24
  4. Step 4: Simplify right side
    51,730.22x = 1,562,702,618.39
  5. Step 5: Solve for x
    x = 1,562,702,618.39/51,730.22
  6. Step 6: Final answer
    x = 30,208.70

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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.