Home / 47,762.28-71,637.96-12,704.64

Finding the Fourth Proportional to 47,762.28, 71,637.96 and 12,704.64

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Solution

The fourth proportional to 47,762.28, 71,637.96 and 12,704.64 is: 19,055.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.28 : 71,637.96 = 12,704.64 : x
  2. Step 2: Convert to fraction form
    47,762.28/71,637.96 = 12,704.64/x
  3. Step 3: Cross multiply
    47,762.28x = 71,637.96 × 12,704.64
  4. Step 4: Simplify right side
    47,762.28x = 910,134,492.13
  5. Step 5: Solve for x
    x = 910,134,492.13/47,762.28
  6. Step 6: Final answer
    x = 19,055.51

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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.