Home / 39,889.10-55,045.50-23,975.03

Finding the Fourth Proportional to 39,889.10, 55,045.50 and 23,975.03

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Solution

The fourth proportional to 39,889.10, 55,045.50 and 23,975.03 is: 33,084.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,889.10 : 55,045.50 = 23,975.03 : x
  2. Step 2: Convert to fraction form
    39,889.10/55,045.50 = 23,975.03/x
  3. Step 3: Cross multiply
    39,889.10x = 55,045.50 × 23,975.03
  4. Step 4: Simplify right side
    39,889.10x = 1,319,717,513.87
  5. Step 5: Solve for x
    x = 1,319,717,513.87/39,889.10
  6. Step 6: Final answer
    x = 33,084.67

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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.