Home / 36,835.95-55,254.30-20,186.91

Finding the Fourth Proportional to 36,835.95, 55,254.30 and 20,186.91

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Solution

The fourth proportional to 36,835.95, 55,254.30 and 20,186.91 is: 30,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,835.95 : 55,254.30 = 20,186.91 : x
  2. Step 2: Convert to fraction form
    36,835.95/55,254.30 = 20,186.91/x
  3. Step 3: Cross multiply
    36,835.95x = 55,254.30 × 20,186.91
  4. Step 4: Simplify right side
    36,835.95x = 1,115,413,581.21
  5. Step 5: Solve for x
    x = 1,115,413,581.21/36,835.95
  6. Step 6: Final answer
    x = 30,280.57

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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.