Home / 55,019.52-75,927.36-29,869.12

Finding the Fourth Proportional to 55,019.52, 75,927.36 and 29,869.12

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Solution

The fourth proportional to 55,019.52, 75,927.36 and 29,869.12 is: 41,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,019.52 : 75,927.36 = 29,869.12 : x
  2. Step 2: Convert to fraction form
    55,019.52/75,927.36 = 29,869.12/x
  3. Step 3: Cross multiply
    55,019.52x = 75,927.36 × 29,869.12
  4. Step 4: Simplify right side
    55,019.52x = 2,267,883,427.12
  5. Step 5: Solve for x
    x = 2,267,883,427.12/55,019.52
  6. Step 6: Final answer
    x = 41,219.61

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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.