Home / 39,058.64-53,901.14-21,153.68

Finding the Fourth Proportional to 39,058.64, 53,901.14 and 21,153.68

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Solution

The fourth proportional to 39,058.64, 53,901.14 and 21,153.68 is: 29,192.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,058.64 : 53,901.14 = 21,153.68 : x
  2. Step 2: Convert to fraction form
    39,058.64/53,901.14 = 21,153.68/x
  3. Step 3: Cross multiply
    39,058.64x = 53,901.14 × 21,153.68
  4. Step 4: Simplify right side
    39,058.64x = 1,140,207,467.20
  5. Step 5: Solve for x
    x = 1,140,207,467.20/39,058.64
  6. Step 6: Final answer
    x = 29,192.20

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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.