Home / 48,572.50-72,810.11-18,949.58

Finding the Fourth Proportional to 48,572.50, 72,810.11 and 18,949.58

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Solution

The fourth proportional to 48,572.50, 72,810.11 and 18,949.58 is: 28,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,572.50 : 72,810.11 = 18,949.58 : x
  2. Step 2: Convert to fraction form
    48,572.50/72,810.11 = 18,949.58/x
  3. Step 3: Cross multiply
    48,572.50x = 72,810.11 × 18,949.58
  4. Step 4: Simplify right side
    48,572.50x = 1,379,721,004.25
  5. Step 5: Solve for x
    x = 1,379,721,004.25/48,572.50
  6. Step 6: Final answer
    x = 28,405.39

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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.