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Finding the Fourth Proportional to 55,263.16, 82,902.03 and 17,810.92

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Solution

The fourth proportional to 55,263.16, 82,902.03 and 17,810.92 is: 26,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.16 : 82,902.03 = 17,810.92 : x
  2. Step 2: Convert to fraction form
    55,263.16/82,902.03 = 17,810.92/x
  3. Step 3: Cross multiply
    55,263.16x = 82,902.03 × 17,810.92
  4. Step 4: Simplify right side
    55,263.16x = 1,476,561,424.17
  5. Step 5: Solve for x
    x = 1,476,561,424.17/55,263.16
  6. Step 6: Final answer
    x = 26,718.73

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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.