Home / 48,128.58-72,214.74-25,918.38

Finding the Fourth Proportional to 48,128.58, 72,214.74 and 25,918.38

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Solution

The fourth proportional to 48,128.58, 72,214.74 and 25,918.38 is: 38,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.58 : 72,214.74 = 25,918.38 : x
  2. Step 2: Convert to fraction form
    48,128.58/72,214.74 = 25,918.38/x
  3. Step 3: Cross multiply
    48,128.58x = 72,214.74 × 25,918.38
  4. Step 4: Simplify right side
    48,128.58x = 1,871,689,072.92
  5. Step 5: Solve for x
    x = 1,871,689,072.92/48,128.58
  6. Step 6: Final answer
    x = 38,889.35

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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.