Home / 38,572.68-53,232.66-21,805.68

Finding the Fourth Proportional to 38,572.68, 53,232.66 and 21,805.68

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Solution

The fourth proportional to 38,572.68, 53,232.66 and 21,805.68 is: 30,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.68 : 53,232.66 = 21,805.68 : x
  2. Step 2: Convert to fraction form
    38,572.68/53,232.66 = 21,805.68/x
  3. Step 3: Cross multiply
    38,572.68x = 53,232.66 × 21,805.68
  4. Step 4: Simplify right side
    38,572.68x = 1,160,774,349.51
  5. Step 5: Solve for x
    x = 1,160,774,349.51/38,572.68
  6. Step 6: Final answer
    x = 30,093.17

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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.