Home / 53,001.20-79,452.39-17,916.32

Finding the Fourth Proportional to 53,001.20, 79,452.39 and 17,916.32

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Solution

The fourth proportional to 53,001.20, 79,452.39 and 17,916.32 is: 26,857.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,001.20 : 79,452.39 = 17,916.32 : x
  2. Step 2: Convert to fraction form
    53,001.20/79,452.39 = 17,916.32/x
  3. Step 3: Cross multiply
    53,001.20x = 79,452.39 × 17,916.32
  4. Step 4: Simplify right side
    53,001.20x = 1,423,494,444.00
  5. Step 5: Solve for x
    x = 1,423,494,444.00/53,001.20
  6. Step 6: Final answer
    x = 26,857.78

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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.