Home / 42,643.50-58,847.90-23,780.64

Finding the Fourth Proportional to 42,643.50, 58,847.90 and 23,780.64

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Solution

The fourth proportional to 42,643.50, 58,847.90 and 23,780.64 is: 32,817.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.50 : 58,847.90 = 23,780.64 : x
  2. Step 2: Convert to fraction form
    42,643.50/58,847.90 = 23,780.64/x
  3. Step 3: Cross multiply
    42,643.50x = 58,847.90 × 23,780.64
  4. Step 4: Simplify right side
    42,643.50x = 1,399,440,724.66
  5. Step 5: Solve for x
    x = 1,399,440,724.66/42,643.50
  6. Step 6: Final answer
    x = 32,817.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.