Home / 38,273.13-52,813.40-21,275.51

Finding the Fourth Proportional to 38,273.13, 52,813.40 and 21,275.51

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Solution

The fourth proportional to 38,273.13, 52,813.40 and 21,275.51 is: 29,358.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,273.13 : 52,813.40 = 21,275.51 : x
  2. Step 2: Convert to fraction form
    38,273.13/52,813.40 = 21,275.51/x
  3. Step 3: Cross multiply
    38,273.13x = 52,813.40 × 21,275.51
  4. Step 4: Simplify right side
    38,273.13x = 1,123,631,649.39
  5. Step 5: Solve for x
    x = 1,123,631,649.39/38,273.13
  6. Step 6: Final answer
    x = 29,358.24

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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.