Home / 38,269.72-52,811.92-21,275.51

Finding the Fourth Proportional to 38,269.72, 52,811.92 and 21,275.51

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Solution

The fourth proportional to 38,269.72, 52,811.92 and 21,275.51 is: 29,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,269.72 : 52,811.92 = 21,275.51 : x
  2. Step 2: Convert to fraction form
    38,269.72/52,811.92 = 21,275.51/x
  3. Step 3: Cross multiply
    38,269.72x = 52,811.92 × 21,275.51
  4. Step 4: Simplify right side
    38,269.72x = 1,123,600,651.52
  5. Step 5: Solve for x
    x = 1,123,600,651.52/38,269.72
  6. Step 6: Final answer
    x = 29,360.05

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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.