Home / 42,150.81-63,226.23-23,421.90

Finding the Fourth Proportional to 42,150.81, 63,226.23 and 23,421.90

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Solution

The fourth proportional to 42,150.81, 63,226.23 and 23,421.90 is: 35,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,150.81 : 63,226.23 = 23,421.90 : x
  2. Step 2: Convert to fraction form
    42,150.81/63,226.23 = 23,421.90/x
  3. Step 3: Cross multiply
    42,150.81x = 63,226.23 × 23,421.90
  4. Step 4: Simplify right side
    42,150.81x = 1,480,878,436.44
  5. Step 5: Solve for x
    x = 1,480,878,436.44/42,150.81
  6. Step 6: Final answer
    x = 35,132.86

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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.