Home / 61,607.30-85,018.05-33,312.96

Finding the Fourth Proportional to 61,607.30, 85,018.05 and 33,312.96

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Solution

The fourth proportional to 61,607.30, 85,018.05 and 33,312.96 is: 45,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,607.30 : 85,018.05 = 33,312.96 : x
  2. Step 2: Convert to fraction form
    61,607.30/85,018.05 = 33,312.96/x
  3. Step 3: Cross multiply
    61,607.30x = 85,018.05 × 33,312.96
  4. Step 4: Simplify right side
    61,607.30x = 2,832,202,898.93
  5. Step 5: Solve for x
    x = 2,832,202,898.93/61,607.30
  6. Step 6: Final answer
    x = 45,971.88

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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.