Home / 40,928.49-61,392.74-12,851.02

Finding the Fourth Proportional to 40,928.49, 61,392.74 and 12,851.02

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Solution

The fourth proportional to 40,928.49, 61,392.74 and 12,851.02 is: 19,276.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,928.49 : 61,392.74 = 12,851.02 : x
  2. Step 2: Convert to fraction form
    40,928.49/61,392.74 = 12,851.02/x
  3. Step 3: Cross multiply
    40,928.49x = 61,392.74 × 12,851.02
  4. Step 4: Simplify right side
    40,928.49x = 788,959,083.08
  5. Step 5: Solve for x
    x = 788,959,083.08/40,928.49
  6. Step 6: Final answer
    x = 19,276.53

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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.