Home / 39,100.32-58,649.67-9,518.31

Finding the Fourth Proportional to 39,100.32, 58,649.67 and 9,518.31

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Solution

The fourth proportional to 39,100.32, 58,649.67 and 9,518.31 is: 14,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.32 : 58,649.67 = 9,518.31 : x
  2. Step 2: Convert to fraction form
    39,100.32/58,649.67 = 9,518.31/x
  3. Step 3: Cross multiply
    39,100.32x = 58,649.67 × 9,518.31
  4. Step 4: Simplify right side
    39,100.32x = 558,245,740.46
  5. Step 5: Solve for x
    x = 558,245,740.46/39,100.32
  6. Step 6: Final answer
    x = 14,277.27

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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.