Home / 48,829.50-73,245.06-21,127.50

Finding the Fourth Proportional to 48,829.50, 73,245.06 and 21,127.50

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Solution

The fourth proportional to 48,829.50, 73,245.06 and 21,127.50 is: 31,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,829.50 : 73,245.06 = 21,127.50 : x
  2. Step 2: Convert to fraction form
    48,829.50/73,245.06 = 21,127.50/x
  3. Step 3: Cross multiply
    48,829.50x = 73,245.06 × 21,127.50
  4. Step 4: Simplify right side
    48,829.50x = 1,547,485,005.15
  5. Step 5: Solve for x
    x = 1,547,485,005.15/48,829.50
  6. Step 6: Final answer
    x = 31,691.60

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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.