Home / 51,498.08-77,184.74-21,853.64

Finding the Fourth Proportional to 51,498.08, 77,184.74 and 21,853.64

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Solution

The fourth proportional to 51,498.08, 77,184.74 and 21,853.64 is: 32,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,498.08 : 77,184.74 = 21,853.64 : x
  2. Step 2: Convert to fraction form
    51,498.08/77,184.74 = 21,853.64/x
  3. Step 3: Cross multiply
    51,498.08x = 77,184.74 × 21,853.64
  4. Step 4: Simplify right side
    51,498.08x = 1,686,767,412.19
  5. Step 5: Solve for x
    x = 1,686,767,412.19/51,498.08
  6. Step 6: Final answer
    x = 32,753.99

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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.