Home / 55,109.16-82,664.42-15,666.21

Finding the Fourth Proportional to 55,109.16, 82,664.42 and 15,666.21

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Solution

The fourth proportional to 55,109.16, 82,664.42 and 15,666.21 is: 23,499.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,109.16 : 82,664.42 = 15,666.21 : x
  2. Step 2: Convert to fraction form
    55,109.16/82,664.42 = 15,666.21/x
  3. Step 3: Cross multiply
    55,109.16x = 82,664.42 × 15,666.21
  4. Step 4: Simplify right side
    55,109.16x = 1,295,038,084.92
  5. Step 5: Solve for x
    x = 1,295,038,084.92/55,109.16
  6. Step 6: Final answer
    x = 23,499.51

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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.