Home / 61,141.28-84,378.48-34,292.40

Finding the Fourth Proportional to 61,141.28, 84,378.48 and 34,292.40

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Solution

The fourth proportional to 61,141.28, 84,378.48 and 34,292.40 is: 47,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,141.28 : 84,378.48 = 34,292.40 : x
  2. Step 2: Convert to fraction form
    61,141.28/84,378.48 = 34,292.40/x
  3. Step 3: Cross multiply
    61,141.28x = 84,378.48 × 34,292.40
  4. Step 4: Simplify right side
    61,141.28x = 2,893,540,587.55
  5. Step 5: Solve for x
    x = 2,893,540,587.55/61,141.28
  6. Step 6: Final answer
    x = 47,325.48

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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.