Home / 38,493.18-53,119.59-21,726.06

Finding the Fourth Proportional to 38,493.18, 53,119.59 and 21,726.06

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Solution

The fourth proportional to 38,493.18, 53,119.59 and 21,726.06 is: 29,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,493.18 : 53,119.59 = 21,726.06 : x
  2. Step 2: Convert to fraction form
    38,493.18/53,119.59 = 21,726.06/x
  3. Step 3: Cross multiply
    38,493.18x = 53,119.59 × 21,726.06
  4. Step 4: Simplify right side
    38,493.18x = 1,154,079,399.52
  5. Step 5: Solve for x
    x = 1,154,079,399.52/38,493.18
  6. Step 6: Final answer
    x = 29,981.40

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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.