Home / 38,258.08-52,796.40-21,491.36

Finding the Fourth Proportional to 38,258.08, 52,796.40 and 21,491.36

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Solution

The fourth proportional to 38,258.08, 52,796.40 and 21,491.36 is: 29,658.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,258.08 : 52,796.40 = 21,491.36 : x
  2. Step 2: Convert to fraction form
    38,258.08/52,796.40 = 21,491.36/x
  3. Step 3: Cross multiply
    38,258.08x = 52,796.40 × 21,491.36
  4. Step 4: Simplify right side
    38,258.08x = 1,134,666,439.10
  5. Step 5: Solve for x
    x = 1,134,666,439.10/38,258.08
  6. Step 6: Final answer
    x = 29,658.22

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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.