Home / 53,110.99-79,639.04-15,666.30

Finding the Fourth Proportional to 53,110.99, 79,639.04 and 15,666.30

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Solution

The fourth proportional to 53,110.99, 79,639.04 and 15,666.30 is: 23,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,110.99 : 79,639.04 = 15,666.30 : x
  2. Step 2: Convert to fraction form
    53,110.99/79,639.04 = 15,666.30/x
  3. Step 3: Cross multiply
    53,110.99x = 79,639.04 × 15,666.30
  4. Step 4: Simplify right side
    53,110.99x = 1,247,649,092.35
  5. Step 5: Solve for x
    x = 1,247,649,092.35/53,110.99
  6. Step 6: Final answer
    x = 23,491.35

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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.