Home / 47,689.04-71,457.24-40,258.64

Finding the Fourth Proportional to 47,689.04, 71,457.24 and 40,258.64

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Solution

The fourth proportional to 47,689.04, 71,457.24 and 40,258.64 is: 60,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.04 : 71,457.24 = 40,258.64 : x
  2. Step 2: Convert to fraction form
    47,689.04/71,457.24 = 40,258.64/x
  3. Step 3: Cross multiply
    47,689.04x = 71,457.24 × 40,258.64
  4. Step 4: Simplify right side
    47,689.04x = 2,876,771,300.55
  5. Step 5: Solve for x
    x = 2,876,771,300.55/47,689.04
  6. Step 6: Final answer
    x = 60,323.53

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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.