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Finding the Fourth Proportional to 48,030, 72,047.06 and 14,751.39

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Solution

The fourth proportional to 48,030, 72,047.06 and 14,751.39 is: 22,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,030 : 72,047.06 = 14,751.39 : x
  2. Step 2: Convert to fraction form
    48,030/72,047.06 = 14,751.39/x
  3. Step 3: Cross multiply
    48,030x = 72,047.06 × 14,751.39
  4. Step 4: Simplify right side
    48,030x = 1,062,794,280.41
  5. Step 5: Solve for x
    x = 1,062,794,280.41/48,030
  6. Step 6: Final answer
    x = 22,127.72

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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.