Home / 53,265.30-79,928.47-21,669.52

Finding the Fourth Proportional to 53,265.30, 79,928.47 and 21,669.52

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Solution

The fourth proportional to 53,265.30, 79,928.47 and 21,669.52 is: 32,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,265.30 : 79,928.47 = 21,669.52 : x
  2. Step 2: Convert to fraction form
    53,265.30/79,928.47 = 21,669.52/x
  3. Step 3: Cross multiply
    53,265.30x = 79,928.47 × 21,669.52
  4. Step 4: Simplify right side
    53,265.30x = 1,732,011,579.23
  5. Step 5: Solve for x
    x = 1,732,011,579.23/53,265.30
  6. Step 6: Final answer
    x = 32,516.70

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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.