Home / 30,742.60-46,115.04-10,748.18

Finding the Fourth Proportional to 30,742.60, 46,115.04 and 10,748.18

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Solution

The fourth proportional to 30,742.60, 46,115.04 and 10,748.18 is: 16,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.60 : 46,115.04 = 10,748.18 : x
  2. Step 2: Convert to fraction form
    30,742.60/46,115.04 = 10,748.18/x
  3. Step 3: Cross multiply
    30,742.60x = 46,115.04 × 10,748.18
  4. Step 4: Simplify right side
    30,742.60x = 495,652,750.63
  5. Step 5: Solve for x
    x = 495,652,750.63/30,742.60
  6. Step 6: Final answer
    x = 16,122.67

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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.