Home / 47,457.55-71,162.06-15,856.21

Finding the Fourth Proportional to 47,457.55, 71,162.06 and 15,856.21

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Solution

The fourth proportional to 47,457.55, 71,162.06 and 15,856.21 is: 23,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,457.55 : 71,162.06 = 15,856.21 : x
  2. Step 2: Convert to fraction form
    47,457.55/71,162.06 = 15,856.21/x
  3. Step 3: Cross multiply
    47,457.55x = 71,162.06 × 15,856.21
  4. Step 4: Simplify right side
    47,457.55x = 1,128,360,577.06
  5. Step 5: Solve for x
    x = 1,128,360,577.06/47,457.55
  6. Step 6: Final answer
    x = 23,776.21

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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.