Home / 38,368.83-52,941.96-21,372.65

Finding the Fourth Proportional to 38,368.83, 52,941.96 and 21,372.65

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Solution

The fourth proportional to 38,368.83, 52,941.96 and 21,372.65 is: 29,490.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.83 : 52,941.96 = 21,372.65 : x
  2. Step 2: Convert to fraction form
    38,368.83/52,941.96 = 21,372.65/x
  3. Step 3: Cross multiply
    38,368.83x = 52,941.96 × 21,372.65
  4. Step 4: Simplify right side
    38,368.83x = 1,131,510,202.26
  5. Step 5: Solve for x
    x = 1,131,510,202.26/38,368.83
  6. Step 6: Final answer
    x = 29,490.35

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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.