Home / 37,971.92-56,949.12-11,312.48

Finding the Fourth Proportional to 37,971.92, 56,949.12 and 11,312.48

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Solution

The fourth proportional to 37,971.92, 56,949.12 and 11,312.48 is: 16,966.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,971.92 : 56,949.12 = 11,312.48 : x
  2. Step 2: Convert to fraction form
    37,971.92/56,949.12 = 11,312.48/x
  3. Step 3: Cross multiply
    37,971.92x = 56,949.12 × 11,312.48
  4. Step 4: Simplify right side
    37,971.92x = 644,235,781.02
  5. Step 5: Solve for x
    x = 644,235,781.02/37,971.92
  6. Step 6: Final answer
    x = 16,966.11

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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.