Home / 42,423.60-63,635.40-17,455.35

Finding the Fourth Proportional to 42,423.60, 63,635.40 and 17,455.35

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Solution

The fourth proportional to 42,423.60, 63,635.40 and 17,455.35 is: 26,183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,423.60 : 63,635.40 = 17,455.35 : x
  2. Step 2: Convert to fraction form
    42,423.60/63,635.40 = 17,455.35/x
  3. Step 3: Cross multiply
    42,423.60x = 63,635.40 × 17,455.35
  4. Step 4: Simplify right side
    42,423.60x = 1,110,778,179.39
  5. Step 5: Solve for x
    x = 1,110,778,179.39/42,423.60
  6. Step 6: Final answer
    x = 26,183.03

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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.