Home / 51,165.22-76,800.18-42,252.16

Finding the Fourth Proportional to 51,165.22, 76,800.18 and 42,252.16

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Solution

The fourth proportional to 51,165.22, 76,800.18 and 42,252.16 is: 63,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,165.22 : 76,800.18 = 42,252.16 : x
  2. Step 2: Convert to fraction form
    51,165.22/76,800.18 = 42,252.16/x
  3. Step 3: Cross multiply
    51,165.22x = 76,800.18 × 42,252.16
  4. Step 4: Simplify right side
    51,165.22x = 3,244,973,493.39
  5. Step 5: Solve for x
    x = 3,244,973,493.39/51,165.22
  6. Step 6: Final answer
    x = 63,421.47

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1.5x scale

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.