Home / 43,510.60-65,233.98-13,911.40

Finding the Fourth Proportional to 43,510.60, 65,233.98 and 13,911.40

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Solution

The fourth proportional to 43,510.60, 65,233.98 and 13,911.40 is: 20,856.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,510.60 : 65,233.98 = 13,911.40 : x
  2. Step 2: Convert to fraction form
    43,510.60/65,233.98 = 13,911.40/x
  3. Step 3: Cross multiply
    43,510.60x = 65,233.98 × 13,911.40
  4. Step 4: Simplify right side
    43,510.60x = 907,495,989.37
  5. Step 5: Solve for x
    x = 907,495,989.37/43,510.60
  6. Step 6: Final answer
    x = 20,856.89

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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.