Home / 48,629.60-72,915.20-19,012.12

Finding the Fourth Proportional to 48,629.60, 72,915.20 and 19,012.12

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Solution

The fourth proportional to 48,629.60, 72,915.20 and 19,012.12 is: 28,506.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,629.60 : 72,915.20 = 19,012.12 : x
  2. Step 2: Convert to fraction form
    48,629.60/72,915.20 = 19,012.12/x
  3. Step 3: Cross multiply
    48,629.60x = 72,915.20 × 19,012.12
  4. Step 4: Simplify right side
    48,629.60x = 1,386,272,532.22
  5. Step 5: Solve for x
    x = 1,386,272,532.22/48,629.60
  6. Step 6: Final answer
    x = 28,506.76

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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.