Home / 43,341.48-65,011.61-13,758.86

Finding the Fourth Proportional to 43,341.48, 65,011.61 and 13,758.86

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Solution

The fourth proportional to 43,341.48, 65,011.61 and 13,758.86 is: 20,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.48 : 65,011.61 = 13,758.86 : x
  2. Step 2: Convert to fraction form
    43,341.48/65,011.61 = 13,758.86/x
  3. Step 3: Cross multiply
    43,341.48x = 65,011.61 × 13,758.86
  4. Step 4: Simplify right side
    43,341.48x = 894,485,837.29
  5. Step 5: Solve for x
    x = 894,485,837.29/43,341.48
  6. Step 6: Final answer
    x = 20,638.10

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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.