Home / 38,368.40-52,944.60-21,372.04

Finding the Fourth Proportional to 38,368.40, 52,944.60 and 21,372.04

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Solution

The fourth proportional to 38,368.40, 52,944.60 and 21,372.04 is: 29,491.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.40 : 52,944.60 = 21,372.04 : x
  2. Step 2: Convert to fraction form
    38,368.40/52,944.60 = 21,372.04/x
  3. Step 3: Cross multiply
    38,368.40x = 52,944.60 × 21,372.04
  4. Step 4: Simplify right side
    38,368.40x = 1,131,534,108.98
  5. Step 5: Solve for x
    x = 1,131,534,108.98/38,368.40
  6. Step 6: Final answer
    x = 29,491.30

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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.