Home / 38,123.60-52,603.08-21,353.36

Finding the Fourth Proportional to 38,123.60, 52,603.08 and 21,353.36

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Solution

The fourth proportional to 38,123.60, 52,603.08 and 21,353.36 is: 29,463.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,123.60 : 52,603.08 = 21,353.36 : x
  2. Step 2: Convert to fraction form
    38,123.60/52,603.08 = 21,353.36/x
  3. Step 3: Cross multiply
    38,123.60x = 52,603.08 × 21,353.36
  4. Step 4: Simplify right side
    38,123.60x = 1,123,252,504.35
  5. Step 5: Solve for x
    x = 1,123,252,504.35/38,123.60
  6. Step 6: Final answer
    x = 29,463.44

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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.