Home / 40,380.63-55,724.46-25,281.62

Finding the Fourth Proportional to 40,380.63, 55,724.46 and 25,281.62

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Solution

The fourth proportional to 40,380.63, 55,724.46 and 25,281.62 is: 34,888.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.63 : 55,724.46 = 25,281.62 : x
  2. Step 2: Convert to fraction form
    40,380.63/55,724.46 = 25,281.62/x
  3. Step 3: Cross multiply
    40,380.63x = 55,724.46 × 25,281.62
  4. Step 4: Simplify right side
    40,380.63x = 1,408,804,457.96
  5. Step 5: Solve for x
    x = 1,408,804,457.96/40,380.63
  6. Step 6: Final answer
    x = 34,888.13

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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.