Home / 29,430.86-44,118-18,871.29

Finding the Fourth Proportional to 29,430.86, 44,118 and 18,871.29

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Solution

The fourth proportional to 29,430.86, 44,118 and 18,871.29 is: 28,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.86 : 44,118 = 18,871.29 : x
  2. Step 2: Convert to fraction form
    29,430.86/44,118 = 18,871.29/x
  3. Step 3: Cross multiply
    29,430.86x = 44,118 × 18,871.29
  4. Step 4: Simplify right side
    29,430.86x = 832,563,572.22
  5. Step 5: Solve for x
    x = 832,563,572.22/29,430.86
  6. Step 6: Final answer
    x = 28,288.80

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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.