Home / 43,157.16-59,549.46-39,669.15

Finding the Fourth Proportional to 43,157.16, 59,549.46 and 39,669.15

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Solution

The fourth proportional to 43,157.16, 59,549.46 and 39,669.15 is: 54,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,157.16 : 59,549.46 = 39,669.15 : x
  2. Step 2: Convert to fraction form
    43,157.16/59,549.46 = 39,669.15/x
  3. Step 3: Cross multiply
    43,157.16x = 59,549.46 × 39,669.15
  4. Step 4: Simplify right side
    43,157.16x = 2,362,276,461.16
  5. Step 5: Solve for x
    x = 2,362,276,461.16/43,157.16
  6. Step 6: Final answer
    x = 54,736.61

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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.