Home / 39,457.49-59,186.46-13,162.16

Finding the Fourth Proportional to 39,457.49, 59,186.46 and 13,162.16

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Solution

The fourth proportional to 39,457.49, 59,186.46 and 13,162.16 is: 19,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457.49 : 59,186.46 = 13,162.16 : x
  2. Step 2: Convert to fraction form
    39,457.49/59,186.46 = 13,162.16/x
  3. Step 3: Cross multiply
    39,457.49x = 59,186.46 × 13,162.16
  4. Step 4: Simplify right side
    39,457.49x = 779,021,360.42
  5. Step 5: Solve for x
    x = 779,021,360.42/39,457.49
  6. Step 6: Final answer
    x = 19,743.31

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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.