Home / 38,448.87-53,058.06-21,451.92

Finding the Fourth Proportional to 38,448.87, 53,058.06 and 21,451.92

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Solution

The fourth proportional to 38,448.87, 53,058.06 and 21,451.92 is: 29,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.87 : 53,058.06 = 21,451.92 : x
  2. Step 2: Convert to fraction form
    38,448.87/53,058.06 = 21,451.92/x
  3. Step 3: Cross multiply
    38,448.87x = 53,058.06 × 21,451.92
  4. Step 4: Simplify right side
    38,448.87x = 1,138,197,258.48
  5. Step 5: Solve for x
    x = 1,138,197,258.48/38,448.87
  6. Step 6: Final answer
    x = 29,602.88

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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.