Home / 40,629.12-60,915.06-15,648.24

Finding the Fourth Proportional to 40,629.12, 60,915.06 and 15,648.24

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Solution

The fourth proportional to 40,629.12, 60,915.06 and 15,648.24 is: 23,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,629.12 : 60,915.06 = 15,648.24 : x
  2. Step 2: Convert to fraction form
    40,629.12/60,915.06 = 15,648.24/x
  3. Step 3: Cross multiply
    40,629.12x = 60,915.06 × 15,648.24
  4. Step 4: Simplify right side
    40,629.12x = 953,213,478.49
  5. Step 5: Solve for x
    x = 953,213,478.49/40,629.12
  6. Step 6: Final answer
    x = 23,461.34

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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.