Home / 19,581.48-29,372.16-4,790.22

Finding the Fourth Proportional to 19,581.48, 29,372.16 and 4,790.22

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Solution

The fourth proportional to 19,581.48, 29,372.16 and 4,790.22 is: 7,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.48 : 29,372.16 = 4,790.22 : x
  2. Step 2: Convert to fraction form
    19,581.48/29,372.16 = 4,790.22/x
  3. Step 3: Cross multiply
    19,581.48x = 29,372.16 × 4,790.22
  4. Step 4: Simplify right side
    19,581.48x = 140,699,108.28
  5. Step 5: Solve for x
    x = 140,699,108.28/19,581.48
  6. Step 6: Final answer
    x = 7,185.32

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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.