Home / 42,392.72-58,517.66-36,400.32

Finding the Fourth Proportional to 42,392.72, 58,517.66 and 36,400.32

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Solution

The fourth proportional to 42,392.72, 58,517.66 and 36,400.32 is: 50,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,392.72 : 58,517.66 = 36,400.32 : x
  2. Step 2: Convert to fraction form
    42,392.72/58,517.66 = 36,400.32/x
  3. Step 3: Cross multiply
    42,392.72x = 58,517.66 × 36,400.32
  4. Step 4: Simplify right side
    42,392.72x = 2,130,061,549.65
  5. Step 5: Solve for x
    x = 2,130,061,549.65/42,392.72
  6. Step 6: Final answer
    x = 50,245.93

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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.