Home / 43,615.29-65,423.35-12,025.90

Finding the Fourth Proportional to 43,615.29, 65,423.35 and 12,025.90

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Solution

The fourth proportional to 43,615.29, 65,423.35 and 12,025.90 is: 18,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,615.29 : 65,423.35 = 12,025.90 : x
  2. Step 2: Convert to fraction form
    43,615.29/65,423.35 = 12,025.90/x
  3. Step 3: Cross multiply
    43,615.29x = 65,423.35 × 12,025.90
  4. Step 4: Simplify right side
    43,615.29x = 786,774,693.93
  5. Step 5: Solve for x
    x = 786,774,693.93/43,615.29
  6. Step 6: Final answer
    x = 18,038.96

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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.