Home / 38,650.34-53,325.36-21,652.28

Finding the Fourth Proportional to 38,650.34, 53,325.36 and 21,652.28

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Solution

The fourth proportional to 38,650.34, 53,325.36 and 21,652.28 is: 29,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,650.34 : 53,325.36 = 21,652.28 : x
  2. Step 2: Convert to fraction form
    38,650.34/53,325.36 = 21,652.28/x
  3. Step 3: Cross multiply
    38,650.34x = 53,325.36 × 21,652.28
  4. Step 4: Simplify right side
    38,650.34x = 1,154,615,625.82
  5. Step 5: Solve for x
    x = 1,154,615,625.82/38,650.34
  6. Step 6: Final answer
    x = 29,873.36

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Half scale
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Double scale
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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.