Home / 63,484.39-87,583.53-40,819.78

Finding the Fourth Proportional to 63,484.39, 87,583.53 and 40,819.78

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Solution

The fourth proportional to 63,484.39, 87,583.53 and 40,819.78 is: 56,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,484.39 : 87,583.53 = 40,819.78 : x
  2. Step 2: Convert to fraction form
    63,484.39/87,583.53 = 40,819.78/x
  3. Step 3: Cross multiply
    63,484.39x = 87,583.53 × 40,819.78
  4. Step 4: Simplify right side
    63,484.39x = 3,575,140,426.22
  5. Step 5: Solve for x
    x = 3,575,140,426.22/63,484.39
  6. Step 6: Final answer
    x = 56,315.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.