Home / 39,072.66-58,630.86-15,715.50

Finding the Fourth Proportional to 39,072.66, 58,630.86 and 15,715.50

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Solution

The fourth proportional to 39,072.66, 58,630.86 and 15,715.50 is: 23,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,072.66 : 58,630.86 = 15,715.50 : x
  2. Step 2: Convert to fraction form
    39,072.66/58,630.86 = 15,715.50/x
  3. Step 3: Cross multiply
    39,072.66x = 58,630.86 × 15,715.50
  4. Step 4: Simplify right side
    39,072.66x = 921,413,280.33
  5. Step 5: Solve for x
    x = 921,413,280.33/39,072.66
  6. Step 6: Final answer
    x = 23,582.05

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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.