Home / 42,485.20-63,776.40-24,964.90

Finding the Fourth Proportional to 42,485.20, 63,776.40 and 24,964.90

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Solution

The fourth proportional to 42,485.20, 63,776.40 and 24,964.90 is: 37,475.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,485.20 : 63,776.40 = 24,964.90 : x
  2. Step 2: Convert to fraction form
    42,485.20/63,776.40 = 24,964.90/x
  3. Step 3: Cross multiply
    42,485.20x = 63,776.40 × 24,964.90
  4. Step 4: Simplify right side
    42,485.20x = 1,592,171,448.36
  5. Step 5: Solve for x
    x = 1,592,171,448.36/42,485.20
  6. Step 6: Final answer
    x = 37,475.91

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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.