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Finding the Fourth Proportional to 63,778.19, 88,018.11 and 35,483.94

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Solution

The fourth proportional to 63,778.19, 88,018.11 and 35,483.94 is: 48,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,778.19 : 88,018.11 = 35,483.94 : x
  2. Step 2: Convert to fraction form
    63,778.19/88,018.11 = 35,483.94/x
  3. Step 3: Cross multiply
    63,778.19x = 88,018.11 × 35,483.94
  4. Step 4: Simplify right side
    63,778.19x = 3,123,229,334.15
  5. Step 5: Solve for x
    x = 3,123,229,334.15/63,778.19
  6. Step 6: Final answer
    x = 48,970.18

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1.5x scale

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.