Home / 40,215.75-55,497.78-23,451.99

Finding the Fourth Proportional to 40,215.75, 55,497.78 and 23,451.99

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Solution

The fourth proportional to 40,215.75, 55,497.78 and 23,451.99 is: 32,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.75 : 55,497.78 = 23,451.99 : x
  2. Step 2: Convert to fraction form
    40,215.75/55,497.78 = 23,451.99/x
  3. Step 3: Cross multiply
    40,215.75x = 55,497.78 × 23,451.99
  4. Step 4: Simplify right side
    40,215.75x = 1,301,533,381.58
  5. Step 5: Solve for x
    x = 1,301,533,381.58/40,215.75
  6. Step 6: Final answer
    x = 32,363.77

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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.