Home / 52,007.67-77,964.12-18,719.91

Finding the Fourth Proportional to 52,007.67, 77,964.12 and 18,719.91

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Solution

The fourth proportional to 52,007.67, 77,964.12 and 18,719.91 is: 28,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,007.67 : 77,964.12 = 18,719.91 : x
  2. Step 2: Convert to fraction form
    52,007.67/77,964.12 = 18,719.91/x
  3. Step 3: Cross multiply
    52,007.67x = 77,964.12 × 18,719.91
  4. Step 4: Simplify right side
    52,007.67x = 1,459,481,309.63
  5. Step 5: Solve for x
    x = 1,459,481,309.63/52,007.67
  6. Step 6: Final answer
    x = 28,062.81

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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.