Home / 38,368.51-52,947.74-21,372.73

Finding the Fourth Proportional to 38,368.51, 52,947.74 and 21,372.73

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Solution

The fourth proportional to 38,368.51, 52,947.74 and 21,372.73 is: 29,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.51 : 52,947.74 = 21,372.73 : x
  2. Step 2: Convert to fraction form
    38,368.51/52,947.74 = 21,372.73/x
  3. Step 3: Cross multiply
    38,368.51x = 52,947.74 × 21,372.73
  4. Step 4: Simplify right side
    38,368.51x = 1,131,637,672.19
  5. Step 5: Solve for x
    x = 1,131,637,672.19/38,368.51
  6. Step 6: Final answer
    x = 29,493.92

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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.