Home / 40,966.01-61,449.83-12,885.47

Finding the Fourth Proportional to 40,966.01, 61,449.83 and 12,885.47

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Solution

The fourth proportional to 40,966.01, 61,449.83 and 12,885.47 is: 19,328.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.01 : 61,449.83 = 12,885.47 : x
  2. Step 2: Convert to fraction form
    40,966.01/61,449.83 = 12,885.47/x
  3. Step 3: Cross multiply
    40,966.01x = 61,449.83 × 12,885.47
  4. Step 4: Simplify right side
    40,966.01x = 791,809,940.97
  5. Step 5: Solve for x
    x = 791,809,940.97/40,966.01
  6. Step 6: Final answer
    x = 19,328.46

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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.