Home / 53,072.40-79,601.16-19,788.14

Finding the Fourth Proportional to 53,072.40, 79,601.16 and 19,788.14

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Solution

The fourth proportional to 53,072.40, 79,601.16 and 19,788.14 is: 29,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.40 : 79,601.16 = 19,788.14 : x
  2. Step 2: Convert to fraction form
    53,072.40/79,601.16 = 19,788.14/x
  3. Step 3: Cross multiply
    53,072.40x = 79,601.16 × 19,788.14
  4. Step 4: Simplify right side
    53,072.40x = 1,575,158,898.24
  5. Step 5: Solve for x
    x = 1,575,158,898.24/53,072.40
  6. Step 6: Final answer
    x = 29,679.44

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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.