Home / 55,156.32-76,114.44-30,005.28

Finding the Fourth Proportional to 55,156.32, 76,114.44 and 30,005.28

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Solution

The fourth proportional to 55,156.32, 76,114.44 and 30,005.28 is: 41,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.32 : 76,114.44 = 30,005.28 : x
  2. Step 2: Convert to fraction form
    55,156.32/76,114.44 = 30,005.28/x
  3. Step 3: Cross multiply
    55,156.32x = 76,114.44 × 30,005.28
  4. Step 4: Simplify right side
    55,156.32x = 2,283,835,084.24
  5. Step 5: Solve for x
    x = 2,283,835,084.24/55,156.32
  6. Step 6: Final answer
    x = 41,406.59

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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.