Home / 51,018.12-76,495.86-17,723.88

Finding the Fourth Proportional to 51,018.12, 76,495.86 and 17,723.88

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Solution

The fourth proportional to 51,018.12, 76,495.86 and 17,723.88 is: 26,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.12 : 76,495.86 = 17,723.88 : x
  2. Step 2: Convert to fraction form
    51,018.12/76,495.86 = 17,723.88/x
  3. Step 3: Cross multiply
    51,018.12x = 76,495.86 × 17,723.88
  4. Step 4: Simplify right side
    51,018.12x = 1,355,803,443.14
  5. Step 5: Solve for x
    x = 1,355,803,443.14/51,018.12
  6. Step 6: Final answer
    x = 26,574.94

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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.