Home / 55,396.17-76,449.42-31,525.02

Finding the Fourth Proportional to 55,396.17, 76,449.42 and 31,525.02

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Solution

The fourth proportional to 55,396.17, 76,449.42 and 31,525.02 is: 43,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,396.17 : 76,449.42 = 31,525.02 : x
  2. Step 2: Convert to fraction form
    55,396.17/76,449.42 = 31,525.02/x
  3. Step 3: Cross multiply
    55,396.17x = 76,449.42 × 31,525.02
  4. Step 4: Simplify right side
    55,396.17x = 2,410,069,494.49
  5. Step 5: Solve for x
    x = 2,410,069,494.49/55,396.17
  6. Step 6: Final answer
    x = 43,506.07

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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.