Home / 55,178.09-82,767.91-15,735.20

Finding the Fourth Proportional to 55,178.09, 82,767.91 and 15,735.20

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Solution

The fourth proportional to 55,178.09, 82,767.91 and 15,735.20 is: 23,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,178.09 : 82,767.91 = 15,735.20 : x
  2. Step 2: Convert to fraction form
    55,178.09/82,767.91 = 15,735.20/x
  3. Step 3: Cross multiply
    55,178.09x = 82,767.91 × 15,735.20
  4. Step 4: Simplify right side
    55,178.09x = 1,302,369,509.74
  5. Step 5: Solve for x
    x = 1,302,369,509.74/55,178.09
  6. Step 6: Final answer
    x = 23,603.02

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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.