Home / 55,156.23-82,661.66-21,858.14

Finding the Fourth Proportional to 55,156.23, 82,661.66 and 21,858.14

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Solution

The fourth proportional to 55,156.23, 82,661.66 and 21,858.14 is: 32,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.23 : 82,661.66 = 21,858.14 : x
  2. Step 2: Convert to fraction form
    55,156.23/82,661.66 = 21,858.14/x
  3. Step 3: Cross multiply
    55,156.23x = 82,661.66 × 21,858.14
  4. Step 4: Simplify right side
    55,156.23x = 1,806,829,614.31
  5. Step 5: Solve for x
    x = 1,806,829,614.31/55,156.23
  6. Step 6: Final answer
    x = 32,758.40

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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.