Home / 30,318.34-45,462.26-17,672.16

Finding the Fourth Proportional to 30,318.34, 45,462.26 and 17,672.16

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Solution

The fourth proportional to 30,318.34, 45,462.26 and 17,672.16 is: 26,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,318.34 : 45,462.26 = 17,672.16 : x
  2. Step 2: Convert to fraction form
    30,318.34/45,462.26 = 17,672.16/x
  3. Step 3: Cross multiply
    30,318.34x = 45,462.26 × 17,672.16
  4. Step 4: Simplify right side
    30,318.34x = 803,416,332.68
  5. Step 5: Solve for x
    x = 803,416,332.68/30,318.34
  6. Step 6: Final answer
    x = 26,499.35

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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.