Home / 55,367.76-83,040.48-15,915.60

Finding the Fourth Proportional to 55,367.76, 83,040.48 and 15,915.60

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Solution

The fourth proportional to 55,367.76, 83,040.48 and 15,915.60 is: 23,870.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,367.76 : 83,040.48 = 15,915.60 : x
  2. Step 2: Convert to fraction form
    55,367.76/83,040.48 = 15,915.60/x
  3. Step 3: Cross multiply
    55,367.76x = 83,040.48 × 15,915.60
  4. Step 4: Simplify right side
    55,367.76x = 1,321,639,063.49
  5. Step 5: Solve for x
    x = 1,321,639,063.49/55,367.76
  6. Step 6: Final answer
    x = 23,870.19

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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.