Home / 38,456.28-53,069.76-21,460.14

Finding the Fourth Proportional to 38,456.28, 53,069.76 and 21,460.14

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Solution

The fourth proportional to 38,456.28, 53,069.76 and 21,460.14 is: 29,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.28 : 53,069.76 = 21,460.14 : x
  2. Step 2: Convert to fraction form
    38,456.28/53,069.76 = 21,460.14/x
  3. Step 3: Cross multiply
    38,456.28x = 53,069.76 × 21,460.14
  4. Step 4: Simplify right side
    38,456.28x = 1,138,884,479.37
  5. Step 5: Solve for x
    x = 1,138,884,479.37/38,456.28
  6. Step 6: Final answer
    x = 29,615.05

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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.