Home / 38,329.72-57,471.54-14,638.84

Finding the Fourth Proportional to 38,329.72, 57,471.54 and 14,638.84

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Solution

The fourth proportional to 38,329.72, 57,471.54 and 14,638.84 is: 21,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,329.72 : 57,471.54 = 14,638.84 : x
  2. Step 2: Convert to fraction form
    38,329.72/57,471.54 = 14,638.84/x
  3. Step 3: Cross multiply
    38,329.72x = 57,471.54 × 14,638.84
  4. Step 4: Simplify right side
    38,329.72x = 841,316,678.61
  5. Step 5: Solve for x
    x = 841,316,678.61/38,329.72
  6. Step 6: Final answer
    x = 21,949.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.