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Finding the Fourth Proportional to 55,017.78, 82,508.86 and 17,569.08

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Solution

The fourth proportional to 55,017.78, 82,508.86 and 17,569.08 is: 26,347.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,017.78 : 82,508.86 = 17,569.08 : x
  2. Step 2: Convert to fraction form
    55,017.78/82,508.86 = 17,569.08/x
  3. Step 3: Cross multiply
    55,017.78x = 82,508.86 × 17,569.08
  4. Step 4: Simplify right side
    55,017.78x = 1,449,604,762.05
  5. Step 5: Solve for x
    x = 1,449,604,762.05/55,017.78
  6. Step 6: Final answer
    x = 26,347.93

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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.