Home / 58,747.43-81,071.19-31,889.72

Finding the Fourth Proportional to 58,747.43, 81,071.19 and 31,889.72

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Solution

The fourth proportional to 58,747.43, 81,071.19 and 31,889.72 is: 44,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,747.43 : 81,071.19 = 31,889.72 : x
  2. Step 2: Convert to fraction form
    58,747.43/81,071.19 = 31,889.72/x
  3. Step 3: Cross multiply
    58,747.43x = 81,071.19 × 31,889.72
  4. Step 4: Simplify right side
    58,747.43x = 2,585,337,143.81
  5. Step 5: Solve for x
    x = 2,585,337,143.81/58,747.43
  6. Step 6: Final answer
    x = 44,007.67

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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.