Home / 38,279.14-57,430.37-19,572.30

Finding the Fourth Proportional to 38,279.14, 57,430.37 and 19,572.30

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Solution

The fourth proportional to 38,279.14, 57,430.37 and 19,572.30 is: 29,364.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.14 : 57,430.37 = 19,572.30 : x
  2. Step 2: Convert to fraction form
    38,279.14/57,430.37 = 19,572.30/x
  3. Step 3: Cross multiply
    38,279.14x = 57,430.37 × 19,572.30
  4. Step 4: Simplify right side
    38,279.14x = 1,124,044,430.75
  5. Step 5: Solve for x
    x = 1,124,044,430.75/38,279.14
  6. Step 6: Final answer
    x = 29,364.41

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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.