Home / 32,621.12-49,013.69-20,780.22

Finding the Fourth Proportional to 32,621.12, 49,013.69 and 20,780.22

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Solution

The fourth proportional to 32,621.12, 49,013.69 and 20,780.22 is: 31,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.12 : 49,013.69 = 20,780.22 : x
  2. Step 2: Convert to fraction form
    32,621.12/49,013.69 = 20,780.22/x
  3. Step 3: Cross multiply
    32,621.12x = 49,013.69 × 20,780.22
  4. Step 4: Simplify right side
    32,621.12x = 1,018,515,261.21
  5. Step 5: Solve for x
    x = 1,018,515,261.21/32,621.12
  6. Step 6: Final answer
    x = 31,222.57

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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.