Home / 47,642.09-71,457.63-12,584.48

Finding the Fourth Proportional to 47,642.09, 71,457.63 and 12,584.48

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Solution

The fourth proportional to 47,642.09, 71,457.63 and 12,584.48 is: 18,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,642.09 : 71,457.63 = 12,584.48 : x
  2. Step 2: Convert to fraction form
    47,642.09/71,457.63 = 12,584.48/x
  3. Step 3: Cross multiply
    47,642.09x = 71,457.63 × 12,584.48
  4. Step 4: Simplify right side
    47,642.09x = 899,256,758.29
  5. Step 5: Solve for x
    x = 899,256,758.29/47,642.09
  6. Step 6: Final answer
    x = 18,875.26

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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.