Home / 39,100.76-58,638.75-14,137.51

Finding the Fourth Proportional to 39,100.76, 58,638.75 and 14,137.51

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Solution

The fourth proportional to 39,100.76, 58,638.75 and 14,137.51 is: 21,201.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,100.76 : 58,638.75 = 14,137.51 : x
  2. Step 2: Convert to fraction form
    39,100.76/58,638.75 = 14,137.51/x
  3. Step 3: Cross multiply
    39,100.76x = 58,638.75 × 14,137.51
  4. Step 4: Simplify right side
    39,100.76x = 829,005,621.32
  5. Step 5: Solve for x
    x = 829,005,621.32/39,100.76
  6. Step 6: Final answer
    x = 21,201.78

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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.