Home / 38,769.51-53,501.73-21,773.76

Finding the Fourth Proportional to 38,769.51, 53,501.73 and 21,773.76

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Solution

The fourth proportional to 38,769.51, 53,501.73 and 21,773.76 is: 30,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,769.51 : 53,501.73 = 21,773.76 : x
  2. Step 2: Convert to fraction form
    38,769.51/53,501.73 = 21,773.76/x
  3. Step 3: Cross multiply
    38,769.51x = 53,501.73 × 21,773.76
  4. Step 4: Simplify right side
    38,769.51x = 1,164,933,828.60
  5. Step 5: Solve for x
    x = 1,164,933,828.60/38,769.51
  6. Step 6: Final answer
    x = 30,047.68

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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.