Home / 38,129.86-57,201.98-14,444.50

Finding the Fourth Proportional to 38,129.86, 57,201.98 and 14,444.50

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Solution

The fourth proportional to 38,129.86, 57,201.98 and 14,444.50 is: 21,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.86 : 57,201.98 = 14,444.50 : x
  2. Step 2: Convert to fraction form
    38,129.86/57,201.98 = 14,444.50/x
  3. Step 3: Cross multiply
    38,129.86x = 57,201.98 × 14,444.50
  4. Step 4: Simplify right side
    38,129.86x = 826,254,000.11
  5. Step 5: Solve for x
    x = 826,254,000.11/38,129.86
  6. Step 6: Final answer
    x = 21,669.47

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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.