Home / 30,432.63-45,648.93-11,460.84

Finding the Fourth Proportional to 30,432.63, 45,648.93 and 11,460.84

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Solution

The fourth proportional to 30,432.63, 45,648.93 and 11,460.84 is: 17,191.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.63 : 45,648.93 = 11,460.84 : x
  2. Step 2: Convert to fraction form
    30,432.63/45,648.93 = 11,460.84/x
  3. Step 3: Cross multiply
    30,432.63x = 45,648.93 × 11,460.84
  4. Step 4: Simplify right side
    30,432.63x = 523,175,082.90
  5. Step 5: Solve for x
    x = 523,175,082.90/30,432.63
  6. Step 6: Final answer
    x = 17,191.25

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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.