Home / 61,827.78-85,322.35-34,969.72

Finding the Fourth Proportional to 61,827.78, 85,322.35 and 34,969.72

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Solution

The fourth proportional to 61,827.78, 85,322.35 and 34,969.72 is: 48,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,827.78 : 85,322.35 = 34,969.72 : x
  2. Step 2: Convert to fraction form
    61,827.78/85,322.35 = 34,969.72/x
  3. Step 3: Cross multiply
    61,827.78x = 85,322.35 × 34,969.72
  4. Step 4: Simplify right side
    61,827.78x = 2,983,698,087.78
  5. Step 5: Solve for x
    x = 2,983,698,087.78/61,827.78
  6. Step 6: Final answer
    x = 48,258.21

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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.