Home / 30,529.61-45,757.50-15,730.45

Finding the Fourth Proportional to 30,529.61, 45,757.50 and 15,730.45

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Solution

The fourth proportional to 30,529.61, 45,757.50 and 15,730.45 is: 23,576.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.61 : 45,757.50 = 15,730.45 : x
  2. Step 2: Convert to fraction form
    30,529.61/45,757.50 = 15,730.45/x
  3. Step 3: Cross multiply
    30,529.61x = 45,757.50 × 15,730.45
  4. Step 4: Simplify right side
    30,529.61x = 719,786,065.88
  5. Step 5: Solve for x
    x = 719,786,065.88/30,529.61
  6. Step 6: Final answer
    x = 23,576.65

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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.