Home / 55,172.16-82,750.32-17,727.36

Finding the Fourth Proportional to 55,172.16, 82,750.32 and 17,727.36

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Solution

The fourth proportional to 55,172.16, 82,750.32 and 17,727.36 is: 26,588.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,172.16 : 82,750.32 = 17,727.36 : x
  2. Step 2: Convert to fraction form
    55,172.16/82,750.32 = 17,727.36/x
  3. Step 3: Cross multiply
    55,172.16x = 82,750.32 × 17,727.36
  4. Step 4: Simplify right side
    55,172.16x = 1,466,944,712.76
  5. Step 5: Solve for x
    x = 1,466,944,712.76/55,172.16
  6. Step 6: Final answer
    x = 26,588.50

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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.