Home / 51,721.98-77,581.44-14,284.34

Finding the Fourth Proportional to 51,721.98, 77,581.44 and 14,284.34

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Solution

The fourth proportional to 51,721.98, 77,581.44 and 14,284.34 is: 21,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721.98 : 77,581.44 = 14,284.34 : x
  2. Step 2: Convert to fraction form
    51,721.98/77,581.44 = 14,284.34/x
  3. Step 3: Cross multiply
    51,721.98x = 77,581.44 × 14,284.34
  4. Step 4: Simplify right side
    51,721.98x = 1,108,199,666.65
  5. Step 5: Solve for x
    x = 1,108,199,666.65/51,721.98
  6. Step 6: Final answer
    x = 21,426.09

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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.