Home / 40,627.12-60,911.88-15,646.36

Finding the Fourth Proportional to 40,627.12, 60,911.88 and 15,646.36

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Solution

The fourth proportional to 40,627.12, 60,911.88 and 15,646.36 is: 23,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,627.12 : 60,911.88 = 15,646.36 : x
  2. Step 2: Convert to fraction form
    40,627.12/60,911.88 = 15,646.36/x
  3. Step 3: Cross multiply
    40,627.12x = 60,911.88 × 15,646.36
  4. Step 4: Simplify right side
    40,627.12x = 953,049,202.76
  5. Step 5: Solve for x
    x = 953,049,202.76/40,627.12
  6. Step 6: Final answer
    x = 23,458.45

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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.