Home / 30,474.32-45,715.18-10,748.84

Finding the Fourth Proportional to 30,474.32, 45,715.18 and 10,748.84

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Solution

The fourth proportional to 30,474.32, 45,715.18 and 10,748.84 is: 16,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,474.32 : 45,715.18 = 10,748.84 : x
  2. Step 2: Convert to fraction form
    30,474.32/45,715.18 = 10,748.84/x
  3. Step 3: Cross multiply
    30,474.32x = 45,715.18 × 10,748.84
  4. Step 4: Simplify right side
    30,474.32x = 491,385,155.39
  5. Step 5: Solve for x
    x = 491,385,155.39/30,474.32
  6. Step 6: Final answer
    x = 16,124.57

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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.