Home / 55,730.45-83,605.80-18,280.10

Finding the Fourth Proportional to 55,730.45, 83,605.80 and 18,280.10

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Solution

The fourth proportional to 55,730.45, 83,605.80 and 18,280.10 is: 27,423.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730.45 : 83,605.80 = 18,280.10 : x
  2. Step 2: Convert to fraction form
    55,730.45/83,605.80 = 18,280.10/x
  3. Step 3: Cross multiply
    55,730.45x = 83,605.80 × 18,280.10
  4. Step 4: Simplify right side
    55,730.45x = 1,528,322,384.58
  5. Step 5: Solve for x
    x = 1,528,322,384.58/55,730.45
  6. Step 6: Final answer
    x = 27,423.47

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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.