Home / 55,718.88-83,519.60-18,269.18

Finding the Fourth Proportional to 55,718.88, 83,519.60 and 18,269.18

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Solution

The fourth proportional to 55,718.88, 83,519.60 and 18,269.18 is: 27,384.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,718.88 : 83,519.60 = 18,269.18 : x
  2. Step 2: Convert to fraction form
    55,718.88/83,519.60 = 18,269.18/x
  3. Step 3: Cross multiply
    55,718.88x = 83,519.60 × 18,269.18
  4. Step 4: Simplify right side
    55,718.88x = 1,525,834,605.93
  5. Step 5: Solve for x
    x = 1,525,834,605.93/55,718.88
  6. Step 6: Final answer
    x = 27,384.52

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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.