Home / 30,700.17-46,015.70-15,128.73

Finding the Fourth Proportional to 30,700.17, 46,015.70 and 15,128.73

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Solution

The fourth proportional to 30,700.17, 46,015.70 and 15,128.73 is: 22,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,700.17 : 46,015.70 = 15,128.73 : x
  2. Step 2: Convert to fraction form
    30,700.17/46,015.70 = 15,128.73/x
  3. Step 3: Cross multiply
    30,700.17x = 46,015.70 × 15,128.73
  4. Step 4: Simplify right side
    30,700.17x = 696,159,025.42
  5. Step 5: Solve for x
    x = 696,159,025.42/30,700.17
  6. Step 6: Final answer
    x = 22,676.06

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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.