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Finding the Fourth Proportional to 48,647.52, 72,946.68 and 14,903.48

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Solution

The fourth proportional to 48,647.52, 72,946.68 and 14,903.48 is: 22,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,647.52 : 72,946.68 = 14,903.48 : x
  2. Step 2: Convert to fraction form
    48,647.52/72,946.68 = 14,903.48/x
  3. Step 3: Cross multiply
    48,647.52x = 72,946.68 × 14,903.48
  4. Step 4: Simplify right side
    48,647.52x = 1,087,159,386.45
  5. Step 5: Solve for x
    x = 1,087,159,386.45/48,647.52
  6. Step 6: Final answer
    x = 22,347.68

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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.