Home / 40,710.81-56,164.75-25,388.35

Finding the Fourth Proportional to 40,710.81, 56,164.75 and 25,388.35

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Solution

The fourth proportional to 40,710.81, 56,164.75 and 25,388.35 is: 35,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,710.81 : 56,164.75 = 25,388.35 : x
  2. Step 2: Convert to fraction form
    40,710.81/56,164.75 = 25,388.35/x
  3. Step 3: Cross multiply
    40,710.81x = 56,164.75 × 25,388.35
  4. Step 4: Simplify right side
    40,710.81x = 1,425,930,221.99
  5. Step 5: Solve for x
    x = 1,425,930,221.99/40,710.81
  6. Step 6: Final answer
    x = 35,025.83

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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.