Home / 30,319.38-45,485.88-11,598.90

Finding the Fourth Proportional to 30,319.38, 45,485.88 and 11,598.90

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Solution

The fourth proportional to 30,319.38, 45,485.88 and 11,598.90 is: 17,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,319.38 : 45,485.88 = 11,598.90 : x
  2. Step 2: Convert to fraction form
    30,319.38/45,485.88 = 11,598.90/x
  3. Step 3: Cross multiply
    30,319.38x = 45,485.88 × 11,598.90
  4. Step 4: Simplify right side
    30,319.38x = 527,586,173.53
  5. Step 5: Solve for x
    x = 527,586,173.53/30,319.38
  6. Step 6: Final answer
    x = 17,400.96

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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.