Home / 31,580.13-43,580.21-17,432.67

Finding the Fourth Proportional to 31,580.13, 43,580.21 and 17,432.67

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Solution

The fourth proportional to 31,580.13, 43,580.21 and 17,432.67 is: 24,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.13 : 43,580.21 = 17,432.67 : x
  2. Step 2: Convert to fraction form
    31,580.13/43,580.21 = 17,432.67/x
  3. Step 3: Cross multiply
    31,580.13x = 43,580.21 × 17,432.67
  4. Step 4: Simplify right side
    31,580.13x = 759,719,332.30
  5. Step 5: Solve for x
    x = 759,719,332.30/31,580.13
  6. Step 6: Final answer
    x = 24,056.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.