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Finding the Fourth Proportional to 51,071.40, 76,607.28 and 24,827.40

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Solution

The fourth proportional to 51,071.40, 76,607.28 and 24,827.40 is: 37,241.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.40 : 76,607.28 = 24,827.40 : x
  2. Step 2: Convert to fraction form
    51,071.40/76,607.28 = 24,827.40/x
  3. Step 3: Cross multiply
    51,071.40x = 76,607.28 × 24,827.40
  4. Step 4: Simplify right side
    51,071.40x = 1,901,959,583.47
  5. Step 5: Solve for x
    x = 1,901,959,583.47/51,071.40
  6. Step 6: Final answer
    x = 37,241.19

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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.