Home / 55,720.31-83,583.26-18,277.07

Finding the Fourth Proportional to 55,720.31, 83,583.26 and 18,277.07

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Solution

The fourth proportional to 55,720.31, 83,583.26 and 18,277.07 is: 27,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,720.31 : 83,583.26 = 18,277.07 : x
  2. Step 2: Convert to fraction form
    55,720.31/83,583.26 = 18,277.07/x
  3. Step 3: Cross multiply
    55,720.31x = 83,583.26 × 18,277.07
  4. Step 4: Simplify right side
    55,720.31x = 1,527,657,093.85
  5. Step 5: Solve for x
    x = 1,527,657,093.85/55,720.31
  6. Step 6: Final answer
    x = 27,416.52

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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.