Home / 43,232.05-59,682.78-30,686.77

Finding the Fourth Proportional to 43,232.05, 59,682.78 and 30,686.77

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Solution

The fourth proportional to 43,232.05, 59,682.78 and 30,686.77 is: 42,363.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,232.05 : 59,682.78 = 30,686.77 : x
  2. Step 2: Convert to fraction form
    43,232.05/59,682.78 = 30,686.77/x
  3. Step 3: Cross multiply
    43,232.05x = 59,682.78 × 30,686.77
  4. Step 4: Simplify right side
    43,232.05x = 1,831,471,290.97
  5. Step 5: Solve for x
    x = 1,831,471,290.97/43,232.05
  6. Step 6: Final answer
    x = 42,363.74

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Double scale
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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.