Home / 55,423.57-83,147.65-15,977.60

Finding the Fourth Proportional to 55,423.57, 83,147.65 and 15,977.60

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Solution

The fourth proportional to 55,423.57, 83,147.65 and 15,977.60 is: 23,969.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,423.57 : 83,147.65 = 15,977.60 : x
  2. Step 2: Convert to fraction form
    55,423.57/83,147.65 = 15,977.60/x
  3. Step 3: Cross multiply
    55,423.57x = 83,147.65 × 15,977.60
  4. Step 4: Simplify right side
    55,423.57x = 1,328,499,852.70
  5. Step 5: Solve for x
    x = 1,328,499,852.70/55,423.57
  6. Step 6: Final answer
    x = 23,969.95

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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.