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Finding the Fourth Proportional to 60,512.40, 83,507.10 and 34,016.40

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Solution

The fourth proportional to 60,512.40, 83,507.10 and 34,016.40 is: 46,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,512.40 : 83,507.10 = 34,016.40 : x
  2. Step 2: Convert to fraction form
    60,512.40/83,507.10 = 34,016.40/x
  3. Step 3: Cross multiply
    60,512.40x = 83,507.10 × 34,016.40
  4. Step 4: Simplify right side
    60,512.40x = 2,840,610,916.44
  5. Step 5: Solve for x
    x = 2,840,610,916.44/60,512.40
  6. Step 6: Final answer
    x = 46,942.63

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1.5x scale

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.