Home / 55,885.52-83,821.13-18,436.32

Finding the Fourth Proportional to 55,885.52, 83,821.13 and 18,436.32

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Solution

The fourth proportional to 55,885.52, 83,821.13 and 18,436.32 is: 27,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,885.52 : 83,821.13 = 18,436.32 : x
  2. Step 2: Convert to fraction form
    55,885.52/83,821.13 = 18,436.32/x
  3. Step 3: Cross multiply
    55,885.52x = 83,821.13 × 18,436.32
  4. Step 4: Simplify right side
    55,885.52x = 1,545,353,083.26
  5. Step 5: Solve for x
    x = 1,545,353,083.26/55,885.52
  6. Step 6: Final answer
    x = 27,652.12

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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.