Home / 55,449.84-76,499.08-34,192.20

Finding the Fourth Proportional to 55,449.84, 76,499.08 and 34,192.20

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Solution

The fourth proportional to 55,449.84, 76,499.08 and 34,192.20 is: 47,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.84 : 76,499.08 = 34,192.20 : x
  2. Step 2: Convert to fraction form
    55,449.84/76,499.08 = 34,192.20/x
  3. Step 3: Cross multiply
    55,449.84x = 76,499.08 × 34,192.20
  4. Step 4: Simplify right side
    55,449.84x = 2,615,671,843.18
  5. Step 5: Solve for x
    x = 2,615,671,843.18/55,449.84
  6. Step 6: Final answer
    x = 47,171.86

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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.