Home / 38,501.72-57,752.91-13,541.95

Finding the Fourth Proportional to 38,501.72, 57,752.91 and 13,541.95

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Solution

The fourth proportional to 38,501.72, 57,752.91 and 13,541.95 is: 20,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.72 : 57,752.91 = 13,541.95 : x
  2. Step 2: Convert to fraction form
    38,501.72/57,752.91 = 13,541.95/x
  3. Step 3: Cross multiply
    38,501.72x = 57,752.91 × 13,541.95
  4. Step 4: Simplify right side
    38,501.72x = 782,086,663.10
  5. Step 5: Solve for x
    x = 782,086,663.10/38,501.72
  6. Step 6: Final answer
    x = 20,313.03

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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.