Home / 53,423.93-80,140.11-17,885.45

Finding the Fourth Proportional to 53,423.93, 80,140.11 and 17,885.45

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Solution

The fourth proportional to 53,423.93, 80,140.11 and 17,885.45 is: 26,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,423.93 : 80,140.11 = 17,885.45 : x
  2. Step 2: Convert to fraction form
    53,423.93/80,140.11 = 17,885.45/x
  3. Step 3: Cross multiply
    53,423.93x = 80,140.11 × 17,885.45
  4. Step 4: Simplify right side
    53,423.93x = 1,433,341,930.40
  5. Step 5: Solve for x
    x = 1,433,341,930.40/53,423.93
  6. Step 6: Final answer
    x = 26,829.59

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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.