Home / 39,058.62-53,901.06-21,153.65

Finding the Fourth Proportional to 39,058.62, 53,901.06 and 21,153.65

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Solution

The fourth proportional to 39,058.62, 53,901.06 and 21,153.65 is: 29,192.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.62 : 53,901.06 = 21,153.65 : x
  2. Step 2: Convert to fraction form
    39,058.62/53,901.06 = 21,153.65/x
  3. Step 3: Cross multiply
    39,058.62x = 53,901.06 × 21,153.65
  4. Step 4: Simplify right side
    39,058.62x = 1,140,203,888.36
  5. Step 5: Solve for x
    x = 1,140,203,888.36/39,058.62
  6. Step 6: Final answer
    x = 29,192.12

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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.