Home / 40,734.92-56,291.36-30,645.84

Finding the Fourth Proportional to 40,734.92, 56,291.36 and 30,645.84

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Solution

The fourth proportional to 40,734.92, 56,291.36 and 30,645.84 is: 42,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,734.92 : 56,291.36 = 30,645.84 : x
  2. Step 2: Convert to fraction form
    40,734.92/56,291.36 = 30,645.84/x
  3. Step 3: Cross multiply
    40,734.92x = 56,291.36 × 30,645.84
  4. Step 4: Simplify right side
    40,734.92x = 1,725,096,011.94
  5. Step 5: Solve for x
    x = 1,725,096,011.94/40,734.92
  6. Step 6: Final answer
    x = 42,349.32

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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.