Home / 52,883.36-79,323.24-21,283.64

Finding the Fourth Proportional to 52,883.36, 79,323.24 and 21,283.64

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Solution

The fourth proportional to 52,883.36, 79,323.24 and 21,283.64 is: 31,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,883.36 : 79,323.24 = 21,283.64 : x
  2. Step 2: Convert to fraction form
    52,883.36/79,323.24 = 21,283.64/x
  3. Step 3: Cross multiply
    52,883.36x = 79,323.24 × 21,283.64
  4. Step 4: Simplify right side
    52,883.36x = 1,688,287,283.79
  5. Step 5: Solve for x
    x = 1,688,287,283.79/52,883.36
  6. Step 6: Final answer
    x = 31,924.74

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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.