Home / 55,692.21-76,848.17-31,820.43

Finding the Fourth Proportional to 55,692.21, 76,848.17 and 31,820.43

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Solution

The fourth proportional to 55,692.21, 76,848.17 and 31,820.43 is: 43,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.21 : 76,848.17 = 31,820.43 : x
  2. Step 2: Convert to fraction form
    55,692.21/76,848.17 = 31,820.43/x
  3. Step 3: Cross multiply
    55,692.21x = 76,848.17 × 31,820.43
  4. Step 4: Simplify right side
    55,692.21x = 2,445,341,814.11
  5. Step 5: Solve for x
    x = 2,445,341,814.11/55,692.21
  6. Step 6: Final answer
    x = 43,908.15

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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.