Home / 60,945.32-84,100.20-35,455.70

Finding the Fourth Proportional to 60,945.32, 84,100.20 and 35,455.70

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Solution

The fourth proportional to 60,945.32, 84,100.20 and 35,455.70 is: 48,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,945.32 : 84,100.20 = 35,455.70 : x
  2. Step 2: Convert to fraction form
    60,945.32/84,100.20 = 35,455.70/x
  3. Step 3: Cross multiply
    60,945.32x = 84,100.20 × 35,455.70
  4. Step 4: Simplify right side
    60,945.32x = 2,981,831,461.14
  5. Step 5: Solve for x
    x = 2,981,831,461.14/60,945.32
  6. Step 6: Final answer
    x = 48,926.34

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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.