Home / 38,572.23-53,234.09-21,580.77

Finding the Fourth Proportional to 38,572.23, 53,234.09 and 21,580.77

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Solution

The fourth proportional to 38,572.23, 53,234.09 and 21,580.77 is: 29,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.23 : 53,234.09 = 21,580.77 : x
  2. Step 2: Convert to fraction form
    38,572.23/53,234.09 = 21,580.77/x
  3. Step 3: Cross multiply
    38,572.23x = 53,234.09 × 21,580.77
  4. Step 4: Simplify right side
    38,572.23x = 1,148,832,726.98
  5. Step 5: Solve for x
    x = 1,148,832,726.98/38,572.23
  6. Step 6: Final answer
    x = 29,783.94

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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.