Home / 40,732.92-56,288.60-30,643.84

Finding the Fourth Proportional to 40,732.92, 56,288.60 and 30,643.84

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Solution

The fourth proportional to 40,732.92, 56,288.60 and 30,643.84 is: 42,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,732.92 : 56,288.60 = 30,643.84 : x
  2. Step 2: Convert to fraction form
    40,732.92/56,288.60 = 30,643.84/x
  3. Step 3: Cross multiply
    40,732.92x = 56,288.60 × 30,643.84
  4. Step 4: Simplify right side
    40,732.92x = 1,724,898,852.22
  5. Step 5: Solve for x
    x = 1,724,898,852.22/40,732.92
  6. Step 6: Final answer
    x = 42,346.56

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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.