Home / 55,539.15-83,313.47-19,512.45

Finding the Fourth Proportional to 55,539.15, 83,313.47 and 19,512.45

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Solution

The fourth proportional to 55,539.15, 83,313.47 and 19,512.45 is: 29,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,539.15 : 83,313.47 = 19,512.45 : x
  2. Step 2: Convert to fraction form
    55,539.15/83,313.47 = 19,512.45/x
  3. Step 3: Cross multiply
    55,539.15x = 83,313.47 × 19,512.45
  4. Step 4: Simplify right side
    55,539.15x = 1,625,649,820.14
  5. Step 5: Solve for x
    x = 1,625,649,820.14/55,539.15
  6. Step 6: Final answer
    x = 29,270.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.