Home / 82,038.21-123,055.56-22,872.30

Finding the Fourth Proportional to 82,038.21, 123,055.56 and 22,872.30

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Solution

The fourth proportional to 82,038.21, 123,055.56 and 22,872.30 is: 34,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,038.21 : 123,055.56 = 22,872.30 : x
  2. Step 2: Convert to fraction form
    82,038.21/123,055.56 = 22,872.30/x
  3. Step 3: Cross multiply
    82,038.21x = 123,055.56 × 22,872.30
  4. Step 4: Simplify right side
    82,038.21x = 2,814,563,684.99
  5. Step 5: Solve for x
    x = 2,814,563,684.99/82,038.21
  6. Step 6: Final answer
    x = 34,307.96

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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.