Home / 39,058.50-53,900.94-21,153.56

Finding the Fourth Proportional to 39,058.50, 53,900.94 and 21,153.56

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Solution

The fourth proportional to 39,058.50, 53,900.94 and 21,153.56 is: 29,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.50 : 53,900.94 = 21,153.56 : x
  2. Step 2: Convert to fraction form
    39,058.50/53,900.94 = 21,153.56/x
  3. Step 3: Cross multiply
    39,058.50x = 53,900.94 × 21,153.56
  4. Step 4: Simplify right side
    39,058.50x = 1,140,196,578.17
  5. Step 5: Solve for x
    x = 1,140,196,578.17/39,058.50
  6. Step 6: Final answer
    x = 29,192.02

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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.