Home / 51,784.91-77,679.08-14,345.36

Finding the Fourth Proportional to 51,784.91, 77,679.08 and 14,345.36

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Solution

The fourth proportional to 51,784.91, 77,679.08 and 14,345.36 is: 21,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,784.91 : 77,679.08 = 14,345.36 : x
  2. Step 2: Convert to fraction form
    51,784.91/77,679.08 = 14,345.36/x
  3. Step 3: Cross multiply
    51,784.91x = 77,679.08 × 14,345.36
  4. Step 4: Simplify right side
    51,784.91x = 1,114,334,367.07
  5. Step 5: Solve for x
    x = 1,114,334,367.07/51,784.91
  6. Step 6: Final answer
    x = 21,518.52

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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.