Home / 37,009.13-55,513.69-12,385.13

Finding the Fourth Proportional to 37,009.13, 55,513.69 and 12,385.13

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Solution

The fourth proportional to 37,009.13, 55,513.69 and 12,385.13 is: 18,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,009.13 : 55,513.69 = 12,385.13 : x
  2. Step 2: Convert to fraction form
    37,009.13/55,513.69 = 12,385.13/x
  3. Step 3: Cross multiply
    37,009.13x = 55,513.69 × 12,385.13
  4. Step 4: Simplify right side
    37,009.13x = 687,543,958.90
  5. Step 5: Solve for x
    x = 687,543,958.90/37,009.13
  6. Step 6: Final answer
    x = 18,577.69

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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.