Home / 53,020.99-79,531.44-15,581.98

Finding the Fourth Proportional to 53,020.99, 79,531.44 and 15,581.98

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Solution

The fourth proportional to 53,020.99, 79,531.44 and 15,581.98 is: 23,372.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.99 : 79,531.44 = 15,581.98 : x
  2. Step 2: Convert to fraction form
    53,020.99/79,531.44 = 15,581.98/x
  3. Step 3: Cross multiply
    53,020.99x = 79,531.44 × 15,581.98
  4. Step 4: Simplify right side
    53,020.99x = 1,239,257,307.45
  5. Step 5: Solve for x
    x = 1,239,257,307.45/53,020.99
  6. Step 6: Final answer
    x = 23,372.96

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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.