Home / 61,211.36-91,874.64-30,068.96

Finding the Fourth Proportional to 61,211.36, 91,874.64 and 30,068.96

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Solution

The fourth proportional to 61,211.36, 91,874.64 and 30,068.96 is: 45,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.36 : 91,874.64 = 30,068.96 : x
  2. Step 2: Convert to fraction form
    61,211.36/91,874.64 = 30,068.96/x
  3. Step 3: Cross multiply
    61,211.36x = 91,874.64 × 30,068.96
  4. Step 4: Simplify right side
    61,211.36x = 2,762,574,875.17
  5. Step 5: Solve for x
    x = 2,762,574,875.17/61,211.36
  6. Step 6: Final answer
    x = 45,131.73

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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.